🐛 [Bug]: 使用upload组件，onChange上传图片后，通过useState设置组件内上传的文件实例后，组件的loading持续存在，且无法关闭

[SakuraWord]

Which React Vant packages are impacted?

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

What version of React Vant are you using?

3.3.5

Reproduce live demo(codesandebox or stackblitz)?

No response

Descripition

使用upload组件，onChange上传图片后，通过useState设置组件内上传的文件实例后，组件的loading持续存在，且无法关闭