UX changes to thread item:
- drop "last reply" timestamp copy
- drop last reply excerpt
- show up 9+OP members
Co-authored-by: David Battersby <info@davidbattersby.com>
This PR introduces three new concepts to Discourse codebase through an addon called "FloatKit":
- menu
- tooltip
- toast
## Tooltips
### Component
Simple cases can be express with an API similar to DButton:
```hbs
<DTooltip
@Label={{i18n "foo.bar"}}
@ICON="check"
@content="Something"
/>
```
More complex cases can use blocks:
```hbs
<DTooltip>
<:trigger>
{{d-icon "check"}}
<span>{{i18n "foo.bar"}}</span>
</:trigger>
<:content>
Something
</:content>
</DTooltip>
```
### Service
You can manually show a tooltip using the `tooltip` service:
```javascript
const tooltipInstance = await this.tooltip.show(
document.querySelector(".my-span"),
options
)
// and later manual close or destroy it
tooltipInstance.close();
tooltipInstance.destroy();
// you can also just close any open tooltip through the service
this.tooltip.close();
```
The service also allows you to register event listeners on a trigger, it removes the need for you to manage open/close of a tooltip started through the service:
```javascript
const tooltipInstance = this.tooltip.register(
document.querySelector(".my-span"),
options
)
// when done you can destroy the instance to remove the listeners
tooltipInstance.destroy();
```
Note that the service also allows you to use a custom component as content which will receive `@data` and `@close` as args:
```javascript
const tooltipInstance = await this.tooltip.show(
document.querySelector(".my-span"),
{
component: MyComponent,
data: { foo: 1 }
}
)
```
## Menus
Menus are very similar to tooltips and provide the same kind of APIs:
### Component
```hbs
<DMenu @ICON="plus" @Label={{i18n "foo.bar"}}>
<ul>
<li>Foo</li>
<li>Bat</li>
<li>Baz</li>
</ul>
</DMenu>
```
They also support blocks:
```hbs
<DMenu>
<:trigger>
{{d-icon "plus"}}
<span>{{i18n "foo.bar"}}</span>
</:trigger>
<:content>
<ul>
<li>Foo</li>
<li>Bat</li>
<li>Baz</li>
</ul>
</:content>
</DMenu>
```
### Service
You can manually show a menu using the `menu` service:
```javascript
const menuInstance = await this.menu.show(
document.querySelector(".my-span"),
options
)
// and later manual close or destroy it
menuInstance.close();
menuInstance.destroy();
// you can also just close any open tooltip through the service
this.menu.close();
```
The service also allows you to register event listeners on a trigger, it removes the need for you to manage open/close of a tooltip started through the service:
```javascript
const menuInstance = this.menu.register(
document.querySelector(".my-span"),
options
)
// when done you can destroy the instance to remove the listeners
menuInstance.destroy();
```
Note that the service also allows you to use a custom component as content which will receive `@data` and `@close` as args:
```javascript
const menuInstance = await this.menu.show(
document.querySelector(".my-span"),
{
component: MyComponent,
data: { foo: 1 }
}
)
```
## Toasts
Interacting with toasts is made only through the `toasts` service.
A default component is provided (DDefaultToast) and can be used through dedicated service methods:
- this.toasts.success({ ... });
- this.toasts.warning({ ... });
- this.toasts.info({ ... });
- this.toasts.error({ ... });
- this.toasts.default({ ... });
```javascript
this.toasts.success({
data: {
title: "Foo",
message: "Bar",
actions: [
{
label: "Ok",
class: "btn-primary",
action: (componentArgs) => {
// eslint-disable-next-line no-alert
alert("Closing toast:" + componentArgs.data.title);
componentArgs.close();
},
}
]
},
});
```
You can also provide your own component:
```javascript
this.toasts.show(MyComponent, {
autoClose: false,
class: "foo",
data: { baz: 1 },
})
```
Co-authored-by: Martin Brennan <mjrbrennan@gmail.com>
Co-authored-by: Isaac Janzen <50783505+janzenisaac@users.noreply.github.com>
Co-authored-by: David Taylor <david@taylorhq.com>
Co-authored-by: Jarek Radosz <jradosz@gmail.com>
Second iteration of https://github.com/discourse/discourse/pull/23312 with a fix for embroider not resolving an export file using .gjs extension.
---
This PR introduces three new concepts to Discourse codebase through an addon called "FloatKit":
- menu
- tooltip
- toast
## Tooltips
### Component
Simple cases can be express with an API similar to DButton:
```hbs
<DTooltip
@label={{i18n "foo.bar"}}
@icon="check"
@content="Something"
/>
```
More complex cases can use blocks:
```hbs
<DTooltip>
<:trigger>
{{d-icon "check"}}
<span>{{i18n "foo.bar"}}</span>
</:trigger>
<:content>
Something
</:content>
</DTooltip>
```
### Service
You can manually show a tooltip using the `tooltip` service:
```javascript
const tooltipInstance = await this.tooltip.show(
document.querySelector(".my-span"),
options
)
// and later manual close or destroy it
tooltipInstance.close();
tooltipInstance.destroy();
// you can also just close any open tooltip through the service
this.tooltip.close();
```
The service also allows you to register event listeners on a trigger, it removes the need for you to manage open/close of a tooltip started through the service:
```javascript
const tooltipInstance = this.tooltip.register(
document.querySelector(".my-span"),
options
)
// when done you can destroy the instance to remove the listeners
tooltipInstance.destroy();
```
Note that the service also allows you to use a custom component as content which will receive `@data` and `@close` as args:
```javascript
const tooltipInstance = await this.tooltip.show(
document.querySelector(".my-span"),
{
component: MyComponent,
data: { foo: 1 }
}
)
```
## Menus
Menus are very similar to tooltips and provide the same kind of APIs:
### Component
```hbs
<DMenu @icon="plus" @label={{i18n "foo.bar"}}>
<ul>
<li>Foo</li>
<li>Bat</li>
<li>Baz</li>
</ul>
</DMenu>
```
They also support blocks:
```hbs
<DMenu>
<:trigger>
{{d-icon "plus"}}
<span>{{i18n "foo.bar"}}</span>
</:trigger>
<:content>
<ul>
<li>Foo</li>
<li>Bat</li>
<li>Baz</li>
</ul>
</:content>
</DMenu>
```
### Service
You can manually show a menu using the `menu` service:
```javascript
const menuInstance = await this.menu.show(
document.querySelector(".my-span"),
options
)
// and later manual close or destroy it
menuInstance.close();
menuInstance.destroy();
// you can also just close any open tooltip through the service
this.menu.close();
```
The service also allows you to register event listeners on a trigger, it removes the need for you to manage open/close of a tooltip started through the service:
```javascript
const menuInstance = this.menu.register(
document.querySelector(".my-span"),
options
)
// when done you can destroy the instance to remove the listeners
menuInstance.destroy();
```
Note that the service also allows you to use a custom component as content which will receive `@data` and `@close` as args:
```javascript
const menuInstance = await this.menu.show(
document.querySelector(".my-span"),
{
component: MyComponent,
data: { foo: 1 }
}
)
```
## Toasts
Interacting with toasts is made only through the `toasts` service.
A default component is provided (DDefaultToast) and can be used through dedicated service methods:
- this.toasts.success({ ... });
- this.toasts.warning({ ... });
- this.toasts.info({ ... });
- this.toasts.error({ ... });
- this.toasts.default({ ... });
```javascript
this.toasts.success({
data: {
title: "Foo",
message: "Bar",
actions: [
{
label: "Ok",
class: "btn-primary",
action: (componentArgs) => {
// eslint-disable-next-line no-alert
alert("Closing toast:" + componentArgs.data.title);
componentArgs.close();
},
}
]
},
});
```
You can also provide your own component:
```javascript
this.toasts.show(MyComponent, {
autoClose: false,
class: "foo",
data: { baz: 1 },
})
```
Co-authored-by: Martin Brennan <mjrbrennan@gmail.com>
Co-authored-by: Isaac Janzen <50783505+janzenisaac@users.noreply.github.com>
Co-authored-by: David Taylor <david@taylorhq.com>
Co-authored-by: Jarek Radosz <jradosz@gmail.com>
This PR introduces three new UI elements to Discourse codebase through an addon called "FloatKit":
- menu
- tooltip
- toast
Simple cases can be express with an API similar to DButton:
```hbs
<DTooltip
@label={{i18n "foo.bar"}}
@icon="check"
@content="Something"
/>
```
More complex cases can use blocks:
```hbs
<DTooltip>
<:trigger>
{{d-icon "check"}}
<span>{{i18n "foo.bar"}}</span>
</:trigger>
<:content>
Something
</:content>
</DTooltip>
```
You can manually show a tooltip using the `tooltip` service:
```javascript
const tooltipInstance = await this.tooltip.show(
document.querySelector(".my-span"),
options
)
// and later manually close or destroy it
tooltipInstance.close();
tooltipInstance.destroy();
// you can also just close any open tooltip through the service
this.tooltip.close();
```
The service also allows you to register event listeners on a trigger, it removes the need for you to manage open/close of a tooltip started through the service:
```javascript
const tooltipInstance = this.tooltip.register(
document.querySelector(".my-span"),
options
)
// when done you can destroy the instance to remove the listeners
tooltipInstance.destroy();
```
Note that the service also allows you to use a custom component as content which will receive `@data` and `@close` as args:
```javascript
const tooltipInstance = await this.tooltip.show(
document.querySelector(".my-span"),
{
component: MyComponent,
data: { foo: 1 }
}
)
```
Menus are very similar to tooltips and provide the same kind of APIs:
```hbs
<DMenu @icon="plus" @label={{i18n "foo.bar"}}>
<ul>
<li>Foo</li>
<li>Bat</li>
<li>Baz</li>
</ul>
</DMenu>
```
They also support blocks:
```hbs
<DMenu>
<:trigger>
{{d-icon "plus"}}
<span>{{i18n "foo.bar"}}</span>
</:trigger>
<:content>
<ul>
<li>Foo</li>
<li>Bat</li>
<li>Baz</li>
</ul>
</:content>
</DMenu>
```
You can manually show a menu using the `menu` service:
```javascript
const menuInstance = await this.menu.show(
document.querySelector(".my-span"),
options
)
// and later manually close or destroy it
menuInstance.close();
menuInstance.destroy();
// you can also just close any open tooltip through the service
this.menu.close();
```
The service also allows you to register event listeners on a trigger, it removes the need for you to manage open/close of a tooltip started through the service:
```javascript
const menuInstance = this.menu.register(
document.querySelector(".my-span"),
options
)
// when done you can destroy the instance to remove the listeners
menuInstance.destroy();
```
Note that the service also allows you to use a custom component as content which will receive `@data` and `@close` as args:
```javascript
const menuInstance = await this.menu.show(
document.querySelector(".my-span"),
{
component: MyComponent,
data: { foo: 1 }
}
)
```
Interacting with toasts is made only through the `toasts` service.
A default component is provided (DDefaultToast) and can be used through dedicated service methods:
- this.toasts.success({ ... });
- this.toasts.warning({ ... });
- this.toasts.info({ ... });
- this.toasts.error({ ... });
- this.toasts.default({ ... });
```javascript
this.toasts.success({
data: {
title: "Foo",
message: "Bar",
actions: [
{
label: "Ok",
class: "btn-primary",
action: (componentArgs) => {
// eslint-disable-next-line no-alert
alert("Closing toast:" + componentArgs.data.title);
componentArgs.close();
},
}
]
},
});
```
You can also provide your own component:
```javascript
this.toasts.show(MyComponent, {
autoClose: false,
class: "foo",
data: { baz: 1 },
})
```
Co-authored-by: Martin Brennan <mjrbrennan@gmail.com>
Co-authored-by: Isaac Janzen <50783505+janzenisaac@users.noreply.github.com>
Co-authored-by: David Taylor <david@taylorhq.com>
Co-authored-by: Jarek Radosz <jradosz@gmail.com>
On mobile swiping a channel row will now show a "Remove" option. Holding this to the end will now remove this row from your list of followed direct message channels.
Co-authored-by: chapoi <101828855+chapoi@users.noreply.github.com>
This PR swaps out the custom pathway to publishing and rendering mention warnings after a message is sent.
ChatPublisher#publish_notice is used, and expanded. Now, instead of only accepting text_content as an argument, component and component_args are accepted and there is a renderer for these components.
Translations moved to server, as notices expect text to be passed in unless a component is rendered
The warnings are rendered at the top now, outside of the scope of the single message that sent it.
I entirely removed the jit_messages_spec b/c it's duplicate testing of other parts of the app. IMO we don't need a backend test for a feature, a component test for the feature AND a system test (that is slow and potentially even flakey due to timing issues with wait) to test the same thing. So jit_messages_spec is gone.
- drop @
- prevents +X (participants) to show on next line
- few spacing/fonts adjustments
Note that this commit is also stripping links from chat excerpts.
It will now replies count and participants list. Also the title will be OM excerpt or user defined title, no more default "Thread" title. Lastly, the author of the last reply is also shown as prefix of it.
Prior to this fix we would output an image with no width/height which would then bypass a large part of `CookedProcessorMixin` and have no aspect ratio. As a result, an image with no size would cause layout shift.
It also removes a fix for oneboxes in chat messages due to this case.
Prior to this commit we were loading a large number of thread messages without any pagination. This commit attempts to fix this and also improves the following points:
- code sharing between channels and threads:
Attempts to reuse/share the code use in channels for threads. To make it possible part of this code has been extracted in dedicated helpers or has been improved to reduce the duplication needed.
Examples of extracted helpers:
- `stackingContextFix`: the ios hack for rendering bug when momentum scrolling is interrupted
- `scrollListToMessage`, `scrollListToTop`, `scrollListToBottom`: a series of helper to correctly scroll to a specific position in the list of messages
- better general performance of listing messages:
One of the main changes which has been made is to remove the computation of visible message during scroll, it will only happen when needed (update last read for example). This constant recomputation of `message.visible` on intersection observer event while scrolling was consuming a lot of CPU time.
On tablets like iPad where we allow channel and thread to be on the same screen, it was not possible to resize the panels due to code being thought for mouse events. This commit should now correctly allow for this.
The "resizer" has also been made larger to simplify touching.
No test as it's hard to test on iPad and dragging events are also complex.
This commit also standardize the naming pattern of modals: `<Chat::Modal::FooBar />` and changes css class accordingly.
Co-authored-by: David Taylor <david@taylorhq.com>
It's way more common to have presence enabled than disabled, so we should have been making it the default from start.
This commit also changes the namespace of `<ChatUserAvatar />` into `<Chat::UserAvatar />` and refactors tests.
This commit replaces two existing screens:
- draft
- channel selection modal
Main features compared to existing solutions
- features are now combined, meaning you can for example create multi users DM
- it will show users with chat disabled
- it shows unread state
- hopefully a better look/feel
- lots of small details and fixes...
Other noticeable fixes
- starting a DM with a user, even from the user card and clicking <kbd>Chat</kbd> will not show a green dot for the target user (or even the channel) until a message is actually sent
- it should almost never do a full page reload anymore
---------
Co-authored-by: Martin Brennan <mjrbrennan@gmail.com>
Co-authored-by: Jordan Vidrine <30537603+jordanvidrine@users.noreply.github.com>
Co-authored-by: chapoi <101828855+chapoi@users.noreply.github.com>
Co-authored-by: Mark VanLandingham <markvanlan@gmail.com>
* UX: make timestamp font size smaller
* UX: participants use copy instead of avatar
* FIX: Move thread participant count into i18n
---------
Co-authored-by: Martin Brennan <martin@discourse.org>
Enabling/Disabling threading has been possible through command line until now. This commit introduces two new UIs:
- When creating a channel, it will be available once the category has been selected
- On the settings page of a channel for admins
When clicking back from a thread, we want to either go back to the
channel if the thread was opened from an indicator, or to the thread
list if we opened it from there. Since ember doesn't give a nice way
to get the previous route, we need to store this ourselves. We only
do this on mobile, on desktop we just follow existing behaviour.
Also implements a chat router history.
---------
Co-authored-by: Joffrey JAFFEUX <j.jaffeux@gmail.com>
- gridified the thread message indicator, alleviating some problems with positioning and overflow
participant avatars will overlap/smush on smaller size and mobile
- the excerpt went from 3 > 2 lines of wrapping on smaller size, still 1 line on large size
- dropped the copy of "last reply"
- fixed wrong line height
- moved the "x replies" over to the right near the participants, as that makes more sense
- using a bubble to indicate other participants, instead of copy
This PR introduces the @container query, which is experimental. Nothing will break when it's being viewed in a not-supported browser, but it will be less elegant.
This PR adds a new parameter to fetch chat messages: `target_date`.
It can be used to fetch messages by a specific date string. Note that it does not need to be the `created_at` date of an existing message, it can be any date. Similar to `target_message_id`, it retrieves an array of past and future messages following the query limits.
- Moves `<ChatMessageInfo />` to `<Chat::Message::Info />`
- Moves `<ChatMessageAvatar />` to `<Chat::Message::Avatar />`
- Moves `<ChatMessageLeftGutter />` to `<Chat::Message::LeftGutter />`, adds tests
- Creates `<Chat::Message::Error />`
- Creates `<Chat::Message::MentionWarning />`, adds tests and a styleguide
- Creates a model for ChatMessageMentionWarning, adds fabricator for it
- Keeps the enter/leave viewport logic inside the `<ChatMessage />` component instead of bubbling it to the channel and thread components
- Adds a scale animation when clicking a reaction
- Creates `chat/later-fn` modifier which accepts a function and a delay. It allows to call a function Xms after a component has been inserted, it's useful for animations.
- Moves css code out of chat-message into relevant files
- Deletes unused code
<!-- NOTE: All pull requests should have tests (rspec in Ruby, qunit in JavaScript). If your code does not include test coverage, please include an explanation of why it was omitted. -->
The layout was broken for messages replying to another message in non threaded channels.
This commit also refactors the chat-message-test to use fabricators.
- FIX: improves reactions and thread indicator touch event on mobile
These "buttons" are located inside a scroll list which makes them very specific. The general idea is to ensure these events are passive and are not bubbling to the parent.
- DEV: moves state on top level message node
- FIX: ensures popover arrow has the correct border
- FIX: makes a message expanded by default
- FIX applies the same ios scroll fix on thread and channel
- UI: better active/hover state for thread indicator
- UI: attempts to follow more closely our BEM naming scheme
- FIX: reduces bottom padding on message with thread indicator and user info hidden
- UI: add padding for first message in thread
- FIX: prevents actions backdrop to open thread
- UI: makes thread indicator resizable
This commit fixes the selection of message in threads and also applies various refactorings
- improves specs and especially page objects/components
- makes the channel/thread panes responsible of the state
- adds an animationend modifier
- continues to follow the logic of "state" should be displayed as data attributes on component by having a new `data-selected` attribute on chat messages
This commit adds the initial part of thread indicator improvements:
* Show the reply count, last reply date and excerpt,
and the participants of the thread's avatars and
count of additional participants
* Add a participants component for the thread that
can be reused for the list
* Add a query class to get the thread participants
* Live update the thread indicator more consistently
with the last reply and participant details
image image
In subsequent PRs we will cache the participants since
they do not change often, and improve the thread list
further with participants.
This commit also adds a showPresence boolean (default
true) to ChatUserAvatar, since we don't want to show the
online indicator for thread participants.
---------
Co-authored-by: chapoi <charlie@discourse.org>
* FEATURE: Content custom summarization strategies.
This PR establishes a pattern for plugins to register alternative ways of summarizing content by extending a class that defines an interface.
Core controls which strategy we'll use and who has access to it through the `summarization_strategy` and `custom_summarization_allowed_groups`. It also defines the UI for summarizing topics.
Other plugins can access this summarization mechanism and implement their features, removing cross-plugin customizations, as it currently happens between chat and the discourse-ai plugin.
* Group membership validation and rate limiting
* Work with objects instead of classes
* Port summarization feature from discourse-ai to chat
* Rename available summaries to 'Top Replies' and 'Summary'
* move the chat unread indicator to top to match the profile avatar indicator
* add white border to profile avatar indicator (badge notification) to match chat indicator and userstatus styling
* change `.urgent` to BEM
* congregate all styling into mixin
* update chat index to use mixin
* update thread indicator to use mixin
* update header indicator to use mixin
---------
Co-authored-by: Joffrey JAFFEUX <j.jaffeux@gmail.com>
Co-authored-by: Martin Brennan <martin@discourse.org>
* FIX: increases resize observer throttle delay
25ms is not necessary and was sometimes causing jankyness.
* FIX: removes ios momentum fix delay
Instead of a 50ms, simply use next+schedule("afterRender") to attempt to have the shortest delay possible.
* FIX: backdrop event propagation
Prevents backdrop touch to propagate to underlying channel/thread.
* UX: adds is-active class to container of active message
This change allows to keep the background on the active message while the actions menu is displayed.
* FIX: prevents skip-link to be selected on press
* UX: allows to close actions menu instantly
The backdrop should always receive events, we don't need to wait for the menu to be fully displayed.
* UI: adds spacing between last message and composer
* UI: makes backdrop less dark
* FIX: makes events passive on long-press modifier
In some cases, plugins may want to hide some of these actions
at all times, overriding the rules for canX with hiding these
buttons. To achieve this, a plugin can call the API
`removeChatComposerSecondaryButtons` and pass the list of button
IDs that should be removed as argument, like the example below:
```
withPluginApi("1.2.0", (api) => {
api.removeChatComposerSecondaryActions("copyLink", "select");
});
```
---------
Co-authored-by: Martin Brennan <martin@discourse.org>
This commit contains multiple changes to improve the composer behavior especially in the context of a thread:
- Generally rename anything of the form `chatChannelThread...` to `chatThread...``
- Moves the textarea interactor instance inside the composer server
- Improves the focus state and closing of panel related to the use of the Escape shortcut
- Creates `Chat::ThreadList` as a component instead of having `Chat::Thread::ListItem` and others which could imply they were children of a the `Chat::Thread` component
- ensures buttons are aligned to the bottom
- makes the emoji icon tertiary as initially intended
- correctly sets the icon scale of the sending button
- Made the emoji btn blue when composer is focused
- Moved everything chat-composer-button to its own file and BEM-ified it and making the choice to only work with our own is-disabled definition instead of with the attribute :disabled, for consistency
This changes the thread header positioning of the
unread indicator to match the designs based on the route:
1. When the channel is open, show the indicator of # unread
threads with the icon
2. When the threads list is open, show no indicator since
you are on the list and can see which threads are unread
3. When a single thread is open, show the unread threads
indicator along with a left < back button, with a label
to show that this goes back to ongoing discussions
Drawer changes to come in another PR.
* Moved the settings cog from thread list to thread and
put it in a new header component
* Remove thread original message component, no longer needed
and the list item and thread indicator styles/content
will be quite different
* Start adding content (unread indicator etc.) to the thread
list item and changing structure to be more like designs
* Serialize the last thread reply when opening the thread index,
show in list and update with message bus
This commit adds the thread index and individual thread
in the index list unread indicators, and wires up the message
bus events to mark the threads as read/unread when:
1. People send a new message in the thread
2. The user marks a thread as read
There are several hacky parts and TODOs to cover before
this is more functional:
1. We need to flesh out the thread scrolling and message
visibility behaviour. Currently if you scroll to the end
of the thread it will just mark the whole thread read
unconditionally.
2. We need to send down the thread current user membership
along with the last read message ID to the client and
update that with read state.
3. We need to handle the sidebar unread dot for when threads
are unread in the channel and clear it based on when the
channel was last viewed.
4. We need to show some indicator of thread unreads on the
thread indicators on original messages.
5. UI improvements to make the experience nicer and more
like the actual design rather than just placeholders.
But, the basic premise around incrementing/decrementing the
thread overview count and showing which thread is unread
in the list is working as intended.
This commit makes it easier to ensure each button have a similar behavior: hover, disabled, focus...
It also removes some dead code (__inline-button) and fixes a bug where the emoji button didnt have the right un-focused color (it was more visible than it should.
- few improved alignments
- displays emoji picker button inline on desktop
- keeps composer focused when focusing dropdown button
- align buttons to bottom when increasing height of textarea
- max-height of textarea is now linked to the height of the screen
Co-authored-by: chapoi <charlie@discourse.org>
We had safe-area-inset-bottom still set at a wrong place which was causing issues but was also useful to some cases. This commit removes it and ensures the affected cases are corrected.
This is only the first steps of a redesign
- redesigns the buttons to have a larger hitzone
- generally bigger composer
- clicking near textarea focuses the input
- relies on the fact that safe-area-inset-bottom is set globally and doesn’t need to be set in sub components
This commit also removes safe-area-inset-bottom when keyboard is displayed to avoid having a taller than needed space between composer and replying indicator.
Before this commit chat was applying a fixed height on everything under the `/chat` route. It's only really needed on the channel page with the composer at the bottom of the page.
This commits makes the following changes:
- moves height limitation from `#main-outlet-wrapper` to `.chat-channel`
- makes browse channel page and members list page full height and rely on main document scrollbar
- adds height computation for draft header and direct message creator block to ensure the height is correct when creating a draft channel
- makes chat index full height to rely on the browser scrollbar. As a result the <kbd> + </kbd> button used on mobile to create a direct message as been moved out of `<ChannelsList>` into the chat index template
- sidebar height was relying on chat setting a max height, as a result the height computation of sidebar has been changed to work correctly, especially with an opened keyboard on mobile or ipad
