[Bug report]: The use of NButton in NDataTable causes loading to inherit the table style

[cnguu]

TuSimple/naive-ui version (版本)

2.15.7

Vue version (Vue 版本)

3.1.5

Browser and its version (浏览器及其版本)

Chrome 92.0.4515.107

System and its version (系统及其版本)

Win10 20H2 19042.1110

Node version (Node 版本)

Reappearance link (重现链接)

https://codesandbox.io/s/intelligent-ellis-k3oew?file=/src/SDataTable.vue

Reappearance steps (重现步骤)

open codesandbox, look at the DataTable Bug - Button Bug

Expected results (期望的结果)

NButton loading size and color follow NButton props

Actual results (实际的结果)

1. NButton loading color inherited NDataTable color
2. Change the NButton size prop, the loading size does not change

Remarks (补充说明)