Fixed payment method deletion in recipient settings with better flow

frontend/pweb/lib/widgets/dialogs/confirmation_dialog.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
+
+Future<bool> showConfirmationDialog({
+  required BuildContext context,
+  required String title,
+  required String message,
+  String? confirmLabel,
+  String? cancelLabel,
+}) async {
+  final l10n = AppLocalizations.of(context)!;
+  final confirmed = await showDialog<bool>(
+    context: context,
+    builder: (dialogContext) => AlertDialog(
+      title: Text(title),
+      content: Text(message),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.pop(dialogContext, false),
+          child: Text(cancelLabel ?? l10n.cancel),
+        ),
+        ElevatedButton(
+          onPressed: () => Navigator.pop(dialogContext, true),
+          child: Text(confirmLabel ?? l10n.confirm),
+        ),
+      ],
+    ),
+  );
+
+  return confirmed == true;
+}