message: Fix missing null guard in space hierarchy pagination
diff: @@ -576,7 +576,7 @@ const SpaceHierarchy = ({
  const { loading, rooms, hierarchy, loadMore } = useSpaceSummary(space);
  const filteredRoomSet = useMemo<Set<IHierarchyRoom>>(() => {
  - if (!rooms.length) return new Set();
  + if (!rooms?.length) return new Set();
  const lcQuery = query.toLowerCase().trim();
  if (!lcQuery) return new Set(rooms);
  