Refactor QrUploadDialog to integrate BlocListener for attachment state management

lib/core/widgets/qr_upload_dialog.dart

@@ -1,5 +1,7 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter/material.dart';
 import 'package:flux/core/utils/extensions.dart';
+import 'package:flux/features/attachments/blocs/attachments_bloc.dart';
 import 'package:qr_flutter/qr_flutter.dart';
 
 class QrUploadDialog extends StatelessWidget {
@@ -17,7 +19,14 @@ class QrUploadDialog extends StatelessWidget {
     // Usiamo i colori del tema per renderlo coerente col tuo design
     final theme = Theme.of(context);
 
-    return AlertDialog(
+    return BlocListener<AttachmentsBloc, AttachmentsState>(
+      listener: (context, state) {
+        if (state.status == AttachmentsStatus.success) {
+          Navigator.of(context).pop();
+        }
+      },
+      listenWhen: (previous, current) => previous.status != current.status,
+      child: AlertDialog(
         shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
         backgroundColor: theme.colorScheme.surface,
         title: Column(
@@ -88,6 +97,7 @@ class QrUploadDialog extends StatelessWidget {
           ),
         ],
         actionsAlignment: MainAxisAlignment.center,
+      ),
     );
   }
 }