Prefetch DRACO decoder on DRACO endcoded glTF load

examples/js/loaders/GLTFLoader.js

@@ -508,6 +508,7 @@ THREE.GLTFLoader = ( function () {
 		this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;
 		this.json = json;
 		this.dracoLoader = dracoLoader;
+		THREE.DRACOLoader.getDecoderModule();
 
 	}