♻️ New auto impl leading

lib/screens/album.dart

@@ -6,6 +6,7 @@ import 'package:provider/provider.dart';
 import 'package:styled_widget/styled_widget.dart';
 import 'package:surface/providers/sn_network.dart';
 import 'package:surface/types/attachment.dart';
+import 'package:surface/widgets/app_bar_leading.dart';
 import 'package:surface/widgets/attachment/attachment_detail.dart';
 import 'package:surface/widgets/attachment/attachment_item.dart';
 import 'package:surface/widgets/dialog.dart';
@@ -82,6 +83,7 @@ class _AlbumScreenState extends State<AlbumScreen> {
         controller: _scrollController,
         slivers: [
           SliverAppBar(
+            leading: AutoAppBarLeading(),
             title: Text('screenAlbum').tr(),
           ),
           SliverMasonryGrid.extent(