fix createPlane generating garbage when widthSegments!=lengthSegments (#1132)
fix createPlane generating garbage when widthSegments!=lengthSegments (#1132)


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