sync transactions with pocketbase 2

lib/widgets/sync_feedback_listener.dart

@@ -0,0 +1,13 @@
+/// Formerly showed SnackBars for sync; avatar/Account feedback is enough.
+library;
+
+import 'package:flutter/material.dart';
+
+class SyncFeedbackListener extends StatelessWidget {
+  const SyncFeedbackListener({super.key, required this.child});
+
+  final Widget child;
+
+  @override
+  Widget build(BuildContext context) => child;
+}