feat: update TopMenu to display Flutter version and improve WASM label

Author: orestesgaolin

lib/widgets/top_menu.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart' show Icons;
+import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 import 'package:go_router/go_router.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
@@ -61,8 +62,10 @@ class TopMenu extends StatelessWidget {
                 ),
               ),
               const Spacer(),
+              FlutterLogo(size: 14),
+              Text(FlutterVersion.version ?? ''),
               if (isRunningWithWasm) ...[
-                Text('(WASM)'),
+                Text(' WASM'),
               ],
             ],
           ),