chore: replace all cn comments of fe to en version by volc api (#320)

frontend/packages/common/chat-area/text-grab/__tests__/find-last-sibling-node.test.ts

@@ -17,7 +17,7 @@
 import { findLastSiblingNode } from '../src/utils/helper/find-last-sibling-node';
 
 describe('findLastSiblingNode', () => {
-  // 设置 DOM 环境
+  // Setting up the DOM environment
   document.body.innerHTML = `
     <div id="ancestor">
       <div id="sibling1" data-scope="valid"></div>