* Track available filters and expose this info from the vm
- Adds a separate hook that tracks the filtered rooms and the available
filters.
- When secondary filters are added, some of the primary filters will be
selectively hidden. So track this info in the vm.
* Write tests
* Fix typescript error
* Fix translation
* Explain what a primary filter is
* feat(new room list): add space menu in view model
* test(new room list): add space menu in view model
* feat(new room list): add space menu in room list header
* chore: update i18n
* test(new room list): add tests for space menu
* test(new room list): update room list tests
* test(e2e): add tests for space menu
* feat(new room list): add compose menu in header for spaces
* test(new room list): add tests for space
* test(e2e new room list): update space test
* chore: formatting and reuse type var
* feat: create new header
* test: add tests to view model
* test: add tests to view
* feat: add header to new room list
* test(e2e): update RoomListView snapshot
* test(e2e): add tests for room list header
* refactor: minor code improvement
