* FIX: min/max username length limits weren't validated
The custom validators introduced in e0d7cda made so we ignored the mix
and max values set on site_settings.yml. That change allowed admins to
set values outside of the range defined on the yaml file.
Related to https://meta.discourse.org/t/group-names-with-more-than-60-characters-broken/232115?u=falco
Co-authored-by: Alan Guo Xiang Tan <gxtan1990@gmail.com>
This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.
Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
This change-set allows setting different defaults for different locales.
It also:
- Adds extensive testing around site setting validation
- raises deprecation error if site setting has the default property based on env
- relocated site settings for dev and tests in the initializer
- deprecated client_setting in the site setting's loading process
- ensure it raises when a enum site setting being set
- default_locale is promoted to `required` category.
- fixes incorrect default setting and validation
- fixes ensure type check for site settings
- creates a benchmark for site setting
- sets reasonable defaults for Chinese
