Resolve "Follow-up from "Resolve "creator home screen - room logic (room)"""
Closes #87 (closed)
Proposed changes
- Deletion dialog is now shown as matdialog popup using the view of room-deletion component
Testing
- Login as creator
- join a room
- delete a room -> you should see the deletion-confirm-popup
- choose 'delete room' -> you should see the room list without the deleted room