fix(server): stacked assets for full sync, userIds as array for delta sync (#9100)

* fix(server): stacked assets for full sync, userIds as array for delta sync

* refactor(server): sync

* fix getDeltaSync after partner removal

---------

Co-authored-by: Jason Rasmussen <jrasm91@gmail.com>

mobile/openapi/test/asset_delta_sync_dto_test.dart

@@ -0,0 +1,32 @@
+//
+// AUTO-GENERATED FILE, DO NOT MODIFY!
+//
+// @dart=2.12
+
+// ignore_for_file: unused_element, unused_import
+// ignore_for_file: always_put_required_named_parameters_first
+// ignore_for_file: constant_identifier_names
+// ignore_for_file: lines_longer_than_80_chars
+
+import 'package:openapi/api.dart';
+import 'package:test/test.dart';
+
+// tests for AssetDeltaSyncDto
+void main() {
+  // final instance = AssetDeltaSyncDto();
+
+  group('test AssetDeltaSyncDto', () {
+    // DateTime updatedAfter
+    test('to test the property `updatedAfter`', () async {
+      // TODO
+    });
+
+    // List<String> userIds (default value: const [])
+    test('to test the property `userIds`', () async {
+      // TODO
+    });
+
+
+  });
+
+}