fix(scrollbar): prevent cursor flicker with CSS-based auto-hide ursor flicker#617
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…ursor flicker Replace react-custom-scrollbars autoHide prop with CSS variable opacity control. CSS transitions only trigger repaint, avoiding reflow-induced cursor flicker. 使用CSS变量opacity控制滚动条显隐，替代react-custom-scrollbars的autoHide属性。 CSS过渡仅触发重绘，避免回流导致的光标闪烁。 Log: 使用CSS变量替换JS autoHide修复滚动条光标闪烁 PMS: BUG-359981 Influence: 滚动条自动隐藏改为CSS方案，解决鼠标悬停时光标闪烁问题，不影响滚动条功能。
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[APPROVALNOTIFIER] This PR is NOT APPROVED This pull-request has been approved by: lzwind, pengfeixx The full list of commands accepted by this bot can be found here. DetailsNeeds approval from an approver in each of these files:Approvers can indicate their approval by writing |
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Replace react-custom-scrollbars autoHide prop with CSS variable opacity control. CSS transitions only trigger repaint, avoiding reflow-induced cursor flicker.
使用CSS变量opacity控制滚动条显隐，替代react-custom-scrollbars的autoHide属性。 CSS过渡仅触发重绘，避免回流导致的光标闪烁。
Log: 使用CSS变量替换JS autoHide修复滚动条光标闪烁
PMS: BUG-359981
Influence: 滚动条自动隐藏改为CSS方案，解决鼠标悬停时光标闪烁问题，不影响滚动条功能。