👑 [需求] 解决ProTable和Table《双击》复制单元格数据时，双击复制才会出现，会默认带上空格的问题（有时在前面有时在后面）

提问前先看看：

https://github.com/ryanhanwu/How-To-Ask-Questions-The-Smart-Way/blob/main/README-zh_CN.md

### 🔩 所属模块或组件

### 🥰 需求描述

### ⛰ 功能需求适用场景

### 🧐 解决方案

### 🚑 其他信息


The issue names ProTable and Table but no files or tests. Start by locating the components' double-click cell-copy handling and reproduce the reported whitespace; done means copied cell text has no leading or trailing spaces in both components, with coverage for the behavior.

Written by the indexing model from the issue text.