message: Fix typo in method call in add existing to space dialog
diff: @@ -59,6 +59,7 @@ const AddExistingToSpaceDialog: React.FC<IProps> = ({ matrixClient: cli, space,
  const existingSubspacesSet = new Set(existingSubspaces);
  const existingRoomsSet = new Set(SpaceStore.instance.getChildRooms(space.roomId));
  + const joinRule = selectedSpace.getJoinRule();
  const [spaces, rooms, dms] = cli.getVisibleRooms().reduce((arr, room) => {
  if (room.getMyMembership() !== "join") return arr;
  if (!room.name.toLowerCase().includes(lcQuery)) return arr;
  @@ -67,7 +68,7 @@ const AddExistingToSpaceDialog: React.FC<IProps> = ({ matrixClient: cli, space,
  if (room !== space && room !== selectedSpace && !existingSubspacesSet.has(room)) {
  arr[0].push(room);
  }
  - } else if (!existingRoomsSet.has(room) && selectedSpace.joinRule() !== "public") {
  + } else if (!existingRoomsSet.has(room) && joinRule !== "public") {
  // Only show DMs for non-public spaces as they make very little sense in spaces other than "Just Me" ones.
  arr[DMRoomMap.shared().getUserIdForRoomId(room.roomId) ? 2 : 1].push(room);
  }
  