fixed stale state after logout and replayed or lost share intents

lib/push/push_message_handler.dart

@@ -4,6 +4,7 @@ import 'package:crypton/crypton.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 
 import '../background/widget_background_task.dart';
+import '../model/account_data.dart';
 import '../notification/notification_service.dart';
 import 'chat_thread_store.dart';
 import 'nid_store.dart';
@@ -54,6 +55,8 @@ PushKind classifyPush(Map<String, dynamic> data) {
 /// "must be annotated"), so a plain function is the reliable form.
 @pragma('vm:entry-point')
 Future<void> pushOnBackgroundMessage(RemoteMessage message) async {
+  // This engine outlives sign-outs and logins in the app.
+  await AccountData().reloadFromStorage();
   await NotificationService().initializeNotifications();
   await PushRenderer.ensureChannels();
   await PushMessageHandler().handle(message);