Update Lensflare.html

see #27008

docs/examples/zh/objects/Lensflare.html

@@ -21,7 +21,7 @@
 		</p>
 
 		<code>
-			import { Lensflare } from 'three/addons/objects/Lensflare.js';
+			import { Lensflare, LensflareElement } from 'three/addons/objects/Lensflare.js';
 		</code>
 
 		<h2>代码示例</h2>