fix(mobile): handle readonly and offline assets (#5565)

* feat: add isReadOnly and isOffline fields to Asset collection

* refactor: move asset iterable filters to extension

* hide asset actions based on offline and readOnly fields

* pr changes

* chore: doc comments

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

mobile/lib/utils/migration.dart

@@ -13,6 +13,8 @@ Future<void> migrateDatabaseIfNeeded(Isar db) async {
       await _migrateTo(db, 3);
     case 3:
       await _migrateTo(db, 4);
+    case 4:
+      await _migrateTo(db, 5);
   }
 }
 

mobile/lib/utils/selection_handlers.dart

@@ -17,7 +17,7 @@ import 'package:latlong2/latlong.dart';
 void handleShareAssets(
   WidgetRef ref,
   BuildContext context,
-  List<Asset> selection,
+  Iterable<Asset> selection,
 ) {
   showDialog(
     context: context,