fixed guardian login edge cases and misleading placeholders on failed loads

lib/state/app/modules/nextcloud_capabilities/bloc/nextcloud_capabilities_cubit.dart

@@ -92,7 +92,7 @@ class NextcloudCapabilitiesCubit
     }
   }
 
-  Future<void> reset() async => emit(const NextcloudCapabilitiesState());
+  void reset() => emit(const NextcloudCapabilitiesState());
 
   @override
   NextcloudCapabilitiesState fromJson(Map<String, dynamic> json) {