Preload DRACO libraries on DRACO glTF load

examples/js/loaders/GLTFLoader.js

@@ -490,6 +490,7 @@ THREE.GLTFLoader = ( function () {
 		this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;
 		this.json = json;
 		this.dracoLoader = dracoLoader;
+		this.dracoLoader.preload();
 
 	}
 

examples/jsm/loaders/GLTFLoader.js

@@ -557,6 +557,7 @@ var GLTFLoader = ( function () {
 		this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;
 		this.json = json;
 		this.dracoLoader = dracoLoader;
+		this.dracoLoader.preload();
 
 	}