A custom sort callback for a parent preset. Receives the parent's JSX
children (with their optional order) plus the full current child id list
(including imperative ones, in store order). Returns the FINAL ordered id
list — JSX ids only; imperative ids will be appended in store order.
A custom sort callback for a parent preset. Receives the parent's JSX children (with their optional
order) plus the full current child id list (including imperative ones, in store order). Returns the FINAL ordered id list — JSX ids only; imperative ids will be appended in store order.