onRoomDismissed method
Implementation
void onRoomDismissed(String roomId, TUIRoomDismissedReason reason) {
  state.roomDismissedSubject.add(roomId);
}void onRoomDismissed(String roomId, TUIRoomDismissedReason reason) {
  state.roomDismissedSubject.add(roomId);
}