Add message preview support to the new room list (#29784)

* Add message preview support to the new room list

 * Support showing message previews in the room list items
 * Add the secondary filters bar with the '...' menu, containing
   just the option for message previews for now
 * Change message preview toggle hook to update when setting is updated

* Use new compund release

* Unused i18n keys

* Unused imports

* Fix test & update snapshot

* Fix more snapshots

* Fix test

Split into two tests that test setting & updating

* Type import

* Snapshots

* Remove unnecessary Flex container

and update screenshots as the room list has got shorter from the added bar

* More snapshots & screenshots

* More snapshots

* Add test and remove active filter that's not done yet

* Update snapshots & screenshots again

* Other screenshot

* Add more tests

* Fix syntax

* Fix tests

* Use setter directly

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

* Fix CSS

* Remopve filter button css for now

* Update to remove forwardRef

* Add comment on why lack of TypedEventEmitter

* snapshots again

* Screenshots again

* Use original screenshots, maybe they'll work now

* Add comment

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Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

res/css/_components.pcss

@@ -279,6 +279,7 @@
 @import "./views/rooms/RoomListPanel/_RoomListPanel.pcss";
 @import "./views/rooms/RoomListPanel/_RoomListPrimaryFilters.pcss";
 @import "./views/rooms/RoomListPanel/_RoomListSearch.pcss";
+@import "./views/rooms/RoomListPanel/_RoomListSecondaryFilters.pcss";
 @import "./views/rooms/_AppsDrawer.pcss";
 @import "./views/rooms/_Autocomplete.pcss";
 @import "./views/rooms/_AuxPanel.pcss";