* fix: removed duplicate checkContent call in addMessage
addMessage is called in one place (sendMessage), and the checks
are already contained there. addMessage is the lower level call
and so should be called only from within core itself.
* feat: #7330 chat system messages for join, leave, rename
* fix: add back content checking in .addMessage();
* fix: tests, and added .addSystemMessage() method
Tests were relying on message indices that changed due to the
new system messages.
* feat: add tests for system chat messages
* refactor: rewrite half of src/messaging/rooms.js, fix tests
* feat: #7743 messaging/room.js
* fix: tests for messaging/room.js, #7743
* fix: trying to fix tests
* fix: omg :rage2:
* feat: helper for building avatars
* feat: benchpress truefalse globals, componentPrefix in buildAvatar
* refactor: remove componentPrefix
* feat: changes to buildAvatar helper
- removed extra .avatar-xl class in generics.less
- added support for component override
- "size" can be a number now
* fix: prevent overflow of alt text in avatars
* fix: update doc on buildAvatar helper
* feat: wip, category watch change
* feat: pass data to client
* feat: allow changing state
* fix: account page categories
* fix: show in unread if topic is followed or category is watched
* feat: add default watch state to acp
* feat: save user category watch state
* feat: update unread recent pages
* fix: remove dupe code
* fix: flip conditions
* fix: handle empty arrays
* fix: ignore/watch on others profile
* feat: upgrade script for category states
if there are any users ignoring categories set their state in new zset and delete cid:<cid>:ignorers
* fix: upgrade
* fix: tests
* fix: redis count
* fix: more tests