【样式紊乱】1.7.8ant design vue 表格在同时固定列，和选中行时候，鼠标悬浮样式错误

[JaneYork]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.7.8

Environment

ant design vue 1.7.8

Reproduction link

https://www.bilibili.com/video/BV1Dw41177mw/

Steps to reproduce

固定操作列，鼠标悬浮样式紊乱

What is expected?

固定操作列，鼠标悬浮样式紊乱

What is actually happening?

固定操作列，鼠标悬浮样式紊乱

[github-actions]

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