fix: UIA requests with navigator

lib/pages/device_settings/device_settings.dart

@@ -9,6 +9,7 @@ import 'package:matrix/matrix.dart';
 
 import 'package:fluffychat/pages/device_settings/device_settings_view.dart';
 import 'package:fluffychat/pages/key_verification/key_verification_dialog.dart';
+import 'package:fluffychat/utils/localized_exception_extension.dart';
 import '../../widgets/matrix.dart';
 
 class DevicesSettings extends StatefulWidget {
@@ -58,8 +59,8 @@ class DevicesSettingsController extends State<DevicesSettings> {
       );
       reload();
     } catch (e, s) {
-      Logs().v('Error while deleting devices', e, s);
-      setState(() => errorDeletingDevices = e.toString());
+      Logs().w('Error while deleting devices', e, s);
+      setState(() => errorDeletingDevices = e.toLocalizedString(context));
     } finally {
       setState(() => loadingDeletingDevices = false);
     }

lib/widgets/fluffy_chat_app.dart

@@ -49,9 +49,15 @@ class FluffyChatApp extends StatelessWidget {
         builder: (context, child) => AppLockWidget(
           pincode: pincode,
           clients: clients,
-          child: Matrix(
-            clients: clients,
-            child: testWidget ?? child,
+          // Need a navigator above the Matrix widget for
+          // displaying dialogs
+          child: Navigator(
+            onGenerateRoute: (_) => MaterialPageRoute(
+              builder: (_) => Matrix(
+                clients: clients,
+                child: testWidget ?? child,
+              ),
+            ),
           ),
         ),
       ),