chore: show invite dialog on chat list init

lib/pages/chat_list/chat_list.dart

@@ -46,6 +46,7 @@ import '../../widgets/matrix.dart';
 import 'package:fluffychat/utils/tor_stub.dart'
     if (dart.library.html) 'package:tor_detector_web/tor_detector_web.dart';
 
+
 enum PopupMenuAction {
   settings,
   invite,
@@ -668,6 +669,10 @@ class ChatListController extends State<ChatList>
 
     _activeSpaceId =
         widget.activeSpaceId == 'clear' ? null : widget.activeSpaceId;
+
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      _joinInvitedSpaces();
+    });
     // Pangea#
 
     super.initState();
@@ -684,6 +689,16 @@ class ChatListController extends State<ChatList>
           : setActiveSpace(widget.activeSpaceId!);
     }
   }
+
+  Future<void> _joinInvitedSpaces() async {
+    final invitedSpaces = Matrix.of(context).client.rooms.where(
+          (r) => r.isSpace && r.membership == Membership.invite,
+        );
+
+    for (final space in invitedSpaces) {
+      await showInviteDialog(space, context);
+    }
+  }
   // Pangea#
 
   @override

lib/pangea/chat_list/utils/chat_list_handle_space_tap.dart

@@ -10,7 +10,8 @@ import 'package:fluffychat/widgets/future_loading_dialog.dart';
 import 'package:fluffychat/widgets/matrix.dart';
 import '../../common/utils/error_handler.dart';
 
-Future<void> _showInviteDialog(Room room, BuildContext context) async {
+Future<void> showInviteDialog(Room room, BuildContext context) async {
+  if (room.membership != Membership.invite) return;
   final acceptInvite = await showOkCancelAlertDialog(
     context: context,
     title: L10n.of(context).youreInvited,
@@ -79,7 +80,7 @@ void chatListHandleSpaceTap(
           justInputtedCode == space.classCode) {
         // do nothing
       } else {
-        _showInviteDialog(space, context);
+        showInviteDialog(space, context);
       }
       break;
     case Membership.leave: