fixup! wip adapt lobby to be functional in an iframe

src/backend/core/services/lobby.py

@@ -145,8 +145,12 @@ class LobbyService:
         user_role = room.get_role(request.user)
 
         if self.can_bypass_lobby(room=room, user=request.user, role=user_role):
-            participant.status = LobbyParticipantStatus.ACCEPTED
-            self._save_participant(room.id, participant)
+            self._update_participant_status(
+                room_id,
+                participant_id,
+                LobbyParticipantStatus.ACCEPTED,
+                settings.LOBBY_ACCEPTED_TIMEOUT
+            )
 
             livekit_config = utils.generate_livekit_config(
                 room_id=room_id,