feat(map): migrate to flutter_map 8.2 with OSM-compliant tiles

lib/main.dart

@@ -34,12 +34,14 @@ Future<void> main() async {
           create: (BuildContext context) => GetIt.I.get<RefreshCubit>(),
         ),
       ],
-      child: MyApp(),
+      child: const MyApp(),
     ),
   );
 }
 
 class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
   @override
   Widget build(BuildContext context) {
     return MaterialApp(