- Adds filtering to the watched items list in notification preferences
so that deleted (recycle bin) items are removed via query.
- Adds relations and logic to properly remove watches upon user and
entity delete events, to old watches in database do not linger.
- Adds testing to cover the above.
Did not add migration for existing data, since patch will be close to
introduction, and lingering DB entries don't open a security concern,
just some potential confusion in specific potential scenarios.
Probably not work extra migration risk, although could add in future if
concerns/issues are found.
Related to #4499
- Added general user preferences view and updated link in profile menu
to suit.
- Made notification permission required for notification preferences
view, added test to cover.
Changes their endpoints and remove the user id from the URLs.
Simplifies list changes to share a single endpoint, which aligns it to
the behaviour of the existing sort preference endpoint.
Also added test to ensure user preferences are deleted on user delete.
Done a little reorganisation while there of misplaced tests.
Moved MarkdownTest to a new PageEditorTest to avoid confusion with
other markdown elements and to align with other page tests.
Also allowed config-centralised default user settings for this change
and bought existing user-level view options into that default settings
system to be cleaner in code usage.
For #2081
