所有列宽度固定，滚动列表头内容折行时，固定列表头高度不对齐，产生错位

[BettYuan]

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

Version

1.6.2

Environment

Chrome 86.0.4240.111（正式版本） (x86_64)

Reproduction link

Steps to reproduce

1、滚动列不折行，展示没问题
2、滚动列折行，展示错位

What is expected?

希望固定列能和滚动宽度自适应

What is actually happening?

展示错位

[BettYuan]

固定表头没有children的时候没有问题，但是嵌套子表头的情况我们使用情况也蛮多的

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.