🐛 [Bug]: Dialog 组件调用模式下，onConfirm 返回 Promise 函数无效，无法显示 loading

[tianxing0923]

Which React Vant packages are impacted?

• [X] react-vant (React Vant core)
• [ ] react-vant-icons(React Vant Icon)

What version of React Vant are you using?

3.1.4

Reproduce live demo(codesandebox or stackblitz)?

https://stackblitz.com/edit/react-cvan3u?file=src%2FApp.tsx

Descripition

Dialog 组件调用模式下，onConfirm 返回 Promise 函数无效，无法显示 loading

[3lang3]

Dialog目前只有函数式调用支持Promise，组件式方式需要自己申明:

<Dialog
  confirmProps={{
    loading: true
  }}
/>

https://stackblitz.com/edit/react-cvan3u-idh58u?file=src%2FApp.tsx

[tianxing0923]

Dialog目前只有函数式调用支持Promise，组件式方式需要自己申明:

<Dialog
  confirmProps={{
    loading: true
  }}
/>

https://stackblitz.com/edit/react-cvan3u-idh58u?file=src%2FApp.tsx

好吧，文档中没写有这个配置项，没看源码...