siyuan

[TreeSelect]TreeSelect 大数据量下卡顿

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### Component TreeSelect ### Feature Description fusion 与 antd 均为最新版本，在线 Demo：https://o2.alibaba-inc.com/sandbox/ide?id=218

### 目前的问题 ```jsx ``` 提示：TypeError: Cannot read properties of undefined (reading 'map') ### 期望的结果 不报错，渲染一个空的下拉菜单，或填充一个 “无选项” 的 placeholder

why first selector was modified?

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Work with styled-component v5, and I found that first selector will be modified, and this made the whole page's style broken. Here is my test code ```js export function addCssScope(scopes:...