Fix the build.

tgxworld · tgxworld · commit 2d9d77d390f1 · 2018-04-17T18:16:53.000+08:00
diff --git a/app/serializers/basic_group_serializer.rb b/app/serializers/basic_group_serializer.rb
@@ -47,7 +47,7 @@ def include_has_messages?
   end
 
   def include_bio_raw?
-    staff? || is_group_owner
+    staff? || (include_is_group_owner? && is_group_owner)
   end
 
   def include_is_group_user?
