chore: meeting user id removal and room id requirement (#635)

* chore: remove meeting user id and make meeting room id required

* meeting room_id optional

* orphaned meeting room ids DATA migration

* ci fix

* fix meeting_room_id_fkey downgrade

* fix migration rollback

* fix: put index back (meeting room id)

* fix: put index back (meeting room id)

* fix: put index back (meeting room id)

* remove noop migrations

---------

Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>

server/tests/test_cleanup.py

@@ -105,7 +105,6 @@ async def test_cleanup_deletes_associated_meeting_and_recording():
             host_room_url="https://example.com/meeting-host",
             start_date=old_date,
             end_date=old_date + timedelta(hours=1),
-            user_id=None,
             room_id=None,
         )
     )
@@ -241,7 +240,6 @@ async def test_meeting_consent_cascade_delete():
             host_room_url="https://example.com/cascade-test-host",
             start_date=datetime.now(timezone.utc),
             end_date=datetime.now(timezone.utc) + timedelta(hours=1),
-            user_id="test-user",
             room_id=None,
         )
     )