Retrieve children Ids. If an async data loader is used, skipFetch is set to true, and children have not been retrieved
yet for this item, this will initiate fetching the children, and return an empty array. Once the children have loaded,
a rerender will be triggered.
Retrieve children Ids. If an async data loader is used, skipFetch is set to true, and children have not been retrieved yet for this item, this will initiate fetching the children, and return an empty array. Once the children have loaded, a rerender will be triggered.