replaced account data singleton with a session model

lib/push/push_status.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/foundation.dart';
 
-import '../model/account_data.dart';
+import '../session/session_manager.dart';
 import 'push_keypair.dart';
 import 'push_registration.dart';
 import 'push_registration_store.dart';
@@ -124,14 +124,15 @@ Future<PushStatusReport> collectPushStatus({
         lastRegistrationError: await store.lastRegistrationError(type),
       );
 
+  final nextcloud = SessionManager().current?.nextcloud;
   return PushStatusReport(
     settingEnabled: settingEnabled,
     osPermission: await _osPermission(),
     serverCapability: !capabilitiesLoaded
         ? PushCheck.unknown
         : (capabilityPush ? PushCheck.ok : PushCheck.fail),
-    appPasswordPresent: AccountData().hasAppPassword(),
-    talkAppPasswordPresent: AccountData().hasAppPasswordTalk(),
+    appPasswordPresent: nextcloud?.hasAppPassword ?? false,
+    talkAppPasswordPresent: nextcloud?.hasAppPasswordTalk ?? false,
     keypairPresent: (await keypair.loadPublicKeyPem())?.isNotEmpty ?? false,
     general: await typeStatus(PushRegistrationType.general),
     talk: await typeStatus(PushRegistrationType.talk),