* add loading state to view model and spinner to room list vieqw
* Update snapshots and add loading test
* avoid nested ternary operator
* Add room list skeleton loading state
* Fix loading logic
- Create RoomListStoreV3Event as to not conflict with loading event definition in Create RoomListStoreEvent.
- Add a loaded event
- Use it to determine loaded state in useFilteredRooms rather than the update event which gets fired in other cases.
* Fix isLoadingRooms logic
* update snapshots and fix test
* Forcing an empty commit to fix PR
* Fix _components.pcss order
* Fix test that wasn't doing anything
* fix tests
* Introduce a hook to track active room
This hook simply keeps a state which tracks the index of the active room
in the list of rooms passed through props. This index will be recomputed
if the active rooms changes or if the list itself changed.
* Use hook in the view model
* Write tests
* Fix broken tests
* refactor: extract room creation and right verification
* refactor: update `RoomListHeaderViewModel` to use utils
* feat(room list filter): add filter key to `PrimaryFilter` model
* feat(room list filter): return active primary filter
* feat(room list): add create room action and rights verification
* test: update room list tests
* feat(empty room list): add empty room list
* test(empty room list): add empty room list tests
* feat(room list): use empty room list in `RoomListView`
* test(room list panel): update tests
* test(e2e): add e2e tests for empty room list
* test(e2e): update room list header snapshot
