Allow joined rooms to be pushed within a space. (#4460)

* Allow joined rooms to be pushed within a space.

* Push a room in the space flow tests.

Also fixes some snapshots stale snapshots.

* Show the selected space/room within a space and set a custom title view.

UnitTests/Sources/SpaceListScreenViewModelTests.swift

@@ -76,7 +76,7 @@ class SpaceListScreenViewModelTests: XCTestCase {
         clientProxy.spaceService = spaceServiceProxy
         
         viewModel = SpaceListScreenViewModel(userSession: userSession,
-                                             selectedSpaceSubject: .init(nil),
+                                             selectedSpacePublisher: .init(nil),
                                              userIndicatorController: UserIndicatorControllerMock())
     }
 }

UnitTests/Sources/SpaceScreenViewModelTests.swift

@@ -117,6 +117,7 @@ class SpaceScreenViewModelTests: XCTestCase {
         
         viewModel = SpaceScreenViewModel(spaceRoomListProxy: spaceRoomListProxy,
                                          spaceServiceProxy: spaceServiceProxy,
+                                         selectedSpaceRoomPublisher: .init(nil),
                                          mediaProvider: MediaProviderMock(configuration: .init()),
                                          userIndicatorController: UserIndicatorControllerMock())
     }