feat(server, web): quotas (#4471)

* feat: quotas

* chore: open api

* chore: update status box and upload error message

---------

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

mobile/openapi/test/usage_by_user_dto_test.dart

@@ -21,6 +21,11 @@ void main() {
       // TODO
     });
 
+    // int quotaSizeInBytes
+    test('to test the property `quotaSizeInBytes`', () async {
+      // TODO
+    });
+
     // int usage
     test('to test the property `usage`', () async {
       // TODO