Make sure the live timeline is destroyed before clearing a room's cache (#4515)

* Make sure the live timeline is destroyed before clearing a room's cache

According to the SDK team, having a live timeline could lead to DB issues.

* Try to destroy all room and list item references when the `RustRoomFactory` is destroyed

It may also have some effect on DB corruption issues we've seen

features/roomlist/impl/src/main/kotlin/io/element/android/features/roomlist/impl/RoomListPresenter.kt

@@ -311,6 +311,8 @@ class RoomListPresenter @Inject constructor(
 
     private fun CoroutineScope.clearCacheOfRoom(roomId: RoomId) = launch {
         client.getRoom(roomId)?.use { room ->
+            // Ideally we wouldn't have a live timeline at this point, but right now we instantiate one when retrieving the room
+            room.liveTimeline.close()
             room.clearEventCacheStorage()
         }
     }