fix script attribute color and vec bug when attribute changed before initialize to pc.Color or pc.Vec%
fix script attribute color and vec bug when attribute changed before initialize to pc.Color or pc.Vec%

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