Revert "[FIX] Make sure model resource loader does not load materials that have already been loaded"
Revert "[FIX] Make sure model resource loader does not load materials that have already been loaded"

This reverts commit b98aa9f6d772f22e5ea1e6f621928758f2303ad2.

sereepap2029/playcanvas,guycalledfrank/engine,maxwellalive/engine,sanyaade-teachings/engine,3DGEOM/engine,RainsSoft/engine,H1Gdev/engine,playcanvas/engine,sereepap2029/playcanvas,nizihabi/engine,sanyaade-teachings/engine,SuperStarPL/engine,maxwellalive/engine,H1Gdev/engine,guycalledfrank/engine,maxwellalive/engine,nizihabi/engine,playcanvas/engine,SuperStarPL/engine,horryq/engine-1,3DGEOM/engine,aidinabedi/playcanvas-engine,sereepap2029/playcanvas,MicroWorldwide/PlayCanvas,RainsSoft/engine,shinate/engine,horryq/engine-1,RainsSoft/engine,shinate/engine,sanyaade-teachings/engine,horryq/engine-1,3DGEOM/engine,shinate/engine,MicroWorldwide/PlayCanvas,nizihabi/engine,aidinabedi/playcanvas-engine,SuperStarPL/engine