a1bdb01656
When looking up through shuffles, a Value can be multiple different leaf types (for example an identity from one position, a splat from another). We currently detect this by recalculating which type of leaf it is when generating, but as more types of leafs are added (#94954) this doesn't scale very well. This patch switches it to use Use, not Value, to more accurately detect which type of leaf each Use should have.