added support for multiple accounts with an account switcher in settings

lib/state/app/modules/chat_list/bloc/chat_list_bloc.dart

@@ -87,8 +87,10 @@ class ChatListBloc
 
   /// Concurrent callers (tab switch, poll, push, resume) join the running
   /// refresh instead of each fetching and re-emitting the full room list.
-  Future<void> refresh({bool renew = true, bool silent = false}) =>
-      _refreshFlight.run(() => _refresh(renew: renew, silent: silent));
+  Future<void> refresh({bool renew = true, bool silent = false}) async {
+    if (!ownsSession) return;
+    await _refreshFlight.run(() => _refresh(renew: renew, silent: silent));
+  }
 
   /// Skips the refresh when the list was fetched within [maxAge].
   Future<void> refreshIfOlderThan(Duration maxAge) {