integrated link sharing and clipboard options directly into QR view and simplified sharing flow by removing intermediate selection dialog

lib/view/pages/overhang.dart

@@ -8,7 +8,6 @@ import '../../routing/app_routes.dart';
 import '../../state/app/modules/app_modules.dart';
 import '../../widget/centered_leading.dart';
 import '../../widget/info_dialog.dart';
-import 'more/share/select_share_type_dialog.dart';
 
 class Overhang extends StatefulWidget {
   const Overhang({super.key});
@@ -45,11 +44,7 @@ class _OverhangState extends State<Overhang> {
         title: const Text('Teile die App'),
         subtitle: const Text('Mit Freunden und deiner Klasse teilen'),
         trailing: const Icon(Icons.arrow_right),
-        onTap: () async {
-          final result = await showSelectShareTypeSheet(context);
-          if (!mounted || result != ShareTargetType.qr) return;
-          if (context.mounted) AppRoutes.openQrShare(context);
-        },
+        onTap: () => AppRoutes.openQrShare(context),
       ),
       FutureBuilder(
         future: InAppReview.instance.isAvailable(),