For the “onLoad” not worked, I confirm that there is a bug in the custom component because it loads an undefined value for the object.
If it is possible, you can declare that issue in this link: “Repo Issues”. The developer of that custom component will fix it. Once it’s fixed, a new release of the custom component will be created.
There is a provisional solution is to give an initial value with empty collection of desired attributes to the object Qodly source like this: