Rolled out HTML editor field and store logic across all target entity
types. Cleaned up WYSIWYG input logic and design.
Cleaned up some injected classes while there.
- Fixed inital empty state margins/paddings to be aligned and not differ
when lists are empty.
- Aligned button/action display when viewing empty entities.
- Fixed use of non-existing permission in books for book empty state
button.
Fixes#4563
- Added ability to search books list (Local simple text match).
- Added handles, hover-states and cursor states for better user
interaction and clearer use of drag & drop.
- Improved styles for dark mode.
- Converted shelf sort component to newer component format.
- Modernized shelf controller code a little.
Related to #3266
- Primarily moved and re-organised view files.
- Included readme within views to document the convention.
- Fixed some issues with page field select list in previous commit.
- Tweaked some route names while going through.
- Split some views out further.
Closes#2805
