Examples: Clean up. (#24793)

examples/webgl_loader_gltf_instancing.html

@@ -22,7 +22,8 @@
 		<script type="importmap">
 			{
 				"imports": {
-					"three": "../build/three.module.js"
+					"three": "../build/three.module.js",
+					"three/addons/": "./jsm/"
 				}
 			}
 		</script>
@@ -31,9 +32,9 @@
 
 			import * as THREE from 'three';
 
-			import { OrbitControls } from './jsm/controls/OrbitControls.js';
-			import { GLTFLoader } from './jsm/loaders/GLTFLoader.js';
-			import { RGBELoader } from './jsm/loaders/RGBELoader.js';
+			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
+			import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
+			import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';
 
 			let camera, scene, renderer;
 
@@ -46,7 +47,7 @@
 				document.body.appendChild( container );
 
 				camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
-				camera.position.set( - 0.90, 0.41, -0.89 );
+				camera.position.set( - 0.90, 0.41, - 0.89 );
 
 				scene = new THREE.Scene();