ChunkSize is still 32 so doesn't cut down on heaps of decals atm though we avoid passing many decals to drawing with the coordinates bounds check now.
(cherry picked from commit d8e5f5c24b88bf8096ddaec11e80f1af2953637b)
* Fix decal draw-order
Using the new overlayspace ensures they don't draw above grids above them.
* a
(cherry picked from commit 9ce847a840f06a13f4a32b721b21abef66ee4af8)