Fix Rhino3dmLoader import in the example (#25616)

docs/examples/en/loaders/3DMLoader.html

@@ -25,7 +25,7 @@
 		</p>
 
 		<code>
-			import { 3DMLoader } from 'three/addons/loaders/3DMLoader.js';
+			import { Rhino3dmLoader } from 'three/addons/loaders/3DMLoader.js';
 		</code>
 
 		<h2>Supported Conversions</h2>