rate limited builds for unread room badge, don't call to load chat counts until it's needed for the UI

lib/pages/chat_list/space_view.dart

@@ -451,9 +451,22 @@ class _SpaceViewState extends State<SpaceView> {
 
   // #Pangea
   Future<void> loadChatCounts() async {
-    for (final Room room in Matrix.of(context).client.rooms) {
-      if (room.isSpace && !chatCounts.containsKey(room.id)) {
-        await loadHierarchy(null, room.id);
+    // if not in the call spaces view, don't load chat count yet
+    if (widget.controller.activeSpaceId != null) return;
+
+    final List<Room> allSpaces =
+        Matrix.of(context).client.rooms.where((room) => room.isSpace).toList();
+
+    for (final Room space in allSpaces) {
+      // check if the space is visible in the all spaces list
+      final bool isRootSpace = !allSpaces.any(
+        (parentSpace) =>
+            parentSpace.spaceChildren.any((child) => child.roomId == space.id),
+      );
+
+      // if it's visible, and it hasn't been loaded yet, load chat count
+      if (isRootSpace && !chatCounts.containsKey(space.id)) {
+        await loadHierarchy(null, space.id);
       }
     }
   }
@@ -479,6 +492,7 @@ class _SpaceViewState extends State<SpaceView> {
         event.isSpaceChildUpdate(
           widget.controller.activeSpaceId!,
         )) {
+      debugPrint("refresh on update");
       await loadHierarchy();
     }
     setState(() => refreshing = false);

lib/widgets/unread_rooms_badge.dart

@@ -1,6 +1,6 @@
-import 'package:flutter/material.dart';
-
 import 'package:badges/badges.dart' as b;
+import 'package:fluffychat/utils/stream_extension.dart';
+import 'package:flutter/material.dart';
 import 'package:matrix/matrix.dart';
 
 import 'matrix.dart';
@@ -24,7 +24,10 @@ class UnreadRoomsBadge extends StatelessWidget {
           .client
           .onSync
           .stream
-          .where((syncUpdate) => syncUpdate.hasRoomUpdate),
+          .where((syncUpdate) => syncUpdate.hasRoomUpdate)
+          // #Pangea
+          .rateLimit(const Duration(seconds: 1)),
+      // Pangea#
       builder: (context, _) {
         // #Pangea
         // final unreadCount = Matrix.of(context)