fix: line batch do not destroy old vertex buffer (#1241)
fix: line batch do not destroy old vertex buffer (#1241)


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