fix(mobile): update album creation to use user-defined name from dialog (#30002)

fix: update album creation to use user-defined name from dialog

mobile/lib/presentation/widgets/album/album_selector.widget.dart

@@ -745,10 +745,15 @@ class AddToAlbumHeader extends ConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     Future<void> onCreateAlbum() async {
+      final albumName = await showDialog<String?>(context: context, builder: (context) => const NewAlbumNameModal());
+      if (albumName == null) {
+        return;
+      }
+
       final selectedAssets = ref.read(multiSelectProvider).selectedAssets;
       final newAlbum = await ref
           .read(remoteAlbumProvider.notifier)
-          .createAlbumWithAssets(title: "Untitled Album", assets: selectedAssets);
+          .createAlbumWithAssets(title: albumName, assets: selectedAssets);
 
       if (newAlbum == null) {
         ImmichToast.show(context: context, toastType: ToastType.error, msg: 'errors.failed_to_create_album'.tr());