Update to use voxel-registry getItemPileTexture()

Requires deathcap/voxel-registry@95f3bbc6ae32c62c955ada2b2dc1c1f2a8e996b6
Remove explicitly setting textures, use inventory-window's global default

Requires deathcap/inventory-window@0c9f608123dfd6596891282a0a53249e42af2645