fix how shadowcasting interacts with lightmapper
fix how shadowcasting interacts with lightmapper

guycalledfrank/engine,guycalledfrank/engine,playcanvas/engine,aidinabedi/playcanvas-engine,sereepap2029/playcanvas,H1Gdev/engine,MicroWorldwide/PlayCanvas,H1Gdev/engine,sereepap2029/playcanvas,sereepap2029/playcanvas,playcanvas/engine,aidinabedi/playcanvas-engine,MicroWorldwide/PlayCanvas