Reproduction link

https://4x-ant-design.antgroup.com/components/table-cn/#components-table-demo-fixed-columns

Steps to reproduce

v4demo表格固定列

What is expected?

无缝隙

What is actually happening?

有明显的缝隙，发现缝隙不是一定会产生，只会在特定的情况下有
| Environment | Info |
| ------------ | ------------ |
| antd | 4.24.15 |
| React | 18 |
| System | mac |
| Browser | chrome |