fix: mobile unawaited_futures lint (#21661)

* chore: add unawaited_futures lint as warning

# Conflicts:
#	mobile/analysis_options.yaml

* remove unused dcm lints

They will be added back later on a case by case basis

* fix warning

# Conflicts:
#	mobile/lib/presentation/pages/drift_remote_album.page.dart

* auto gen file

* review changes

* conflict resolution

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/lib/pages/backup/drift_upload_detail.page.dart

@@ -170,8 +170,8 @@ class DriftUploadDetailPage extends ConsumerWidget {
     );
   }
 
-  Future<void> _showFileDetailDialog(BuildContext context, DriftUploadStatus item) async {
-    showDialog(
+  Future<void> _showFileDetailDialog(BuildContext context, DriftUploadStatus item) {
+    return showDialog(
       context: context,
       builder: (context) => FileDetailDialog(uploadStatus: item),
     );