DataTable header does not take DataTable border radius into account and overlaps

[ChronicStone]

TuSimple/naive-ui version (版本)

2.21.2

Vue version (Vue 版本)

3.2.23

Browser and its version (浏览器及其版本)

Chrome (96.0.4664.45)

System and its version (系统及其版本)

Windows 10

Node version (Node 版本)

14.0.2

Reappearance link (重现链接)

https://stackblitz.com/edit/vue-qgjudb?file=src/App.vue

Reappearance steps (重现步骤)

As shown in the stackblitz example, when border-radius of the datatable is overrided, the header starts overlapping

Expected results (期望的结果)

The header should not overlap the datatable frame

Actual results (实际的结果)

The header overlaps the datatable frame

Remarks (补充说明)