message: only put NON-guessed rooms in self-chats
diff: @@ -117,7 +117,7 @@ export default class DMRoomMap {
  return false;
  }
  userToRooms[myUserId] = selfRoomIds.filter((roomId) => {
  - return guessedUserIdsThatChanged
  + return !guessedUserIdsThatChanged
  .some((ids) => ids.roomId === roomId);
  });
  