data-table fixed header and group header cannot work fine together

[joanne3634]

TuSimple/naive-ui version (版本)

2.19.7

Vue version (Vue 版本)

3.2.20

Browser and its version (浏览器及其版本)

Chrome 94.0.4606.54 (Official Build) (64-bit)

System and its version (系统及其版本)

Ubuntu 94.0.4606.54 (Official Build) (64-bit)

Node version (Node 版本)

Reappearance link (重现链接)

https://codesandbox.io/s/spring-smoke-8zjkl

Reappearance steps (重现步骤)

1. create group header with single header
2. set group header and single header all fixed left

Expected results (期望的结果)

the header set fixed: left should all stick in the left

Actual results (实际的结果)

scroll to right, the fixed left header not working properly

Remarks (补充说明)

[07akioni]

@LYErin it's a bit more complex than you think. ref 37d7fc9

[07akioni]

New version is release, don't forget to add width prop to leaf columns, nor it won't know it's position.