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

frontend/packages/common/chat-area/text-grab/src/utils/find-picture-valid-child-node.ts

@@ -17,8 +17,8 @@
 import { getPictureNodeUrl } from './get-picture-node-url';
 
 /**
- * 获取 TagName 为 Picture 的节点的有效节点
- * @param childNodes NodeListOf<Node> 子节点列表
+ * Get a valid node for the node whose TagName is Picture
+ * @param childNodes NodeListOf < Node > sub-node list
  * @returns Node | null
  */
 export const findPictureValidChildNode = (childNodes: NodeListOf<Node>) =>