官网的Upload组件 -> 完全控制的上传列表， demo有bug，上传文件失败

[harry0071]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.3.8

Environment

chrome 73.0.3683.86（正式版本） （64 位）

Reproduction link

https://vue.ant.design/components/upload-cn/#%E5%AE%8C%E5%85%A8%E6%8E%A7%E5%88%B6%E7%9A%84%E4%B8%8A%E4%BC%A0%E5%88%97%E8%A1%A8

Steps to reproduce

官网Upload组件里的完全控制的上传列表，这个demo有bug
点击upload -> 上传文件 -> 上传成功后没有展示文件

What is expected?

能够正确上传文件

What is actually happening?

上传文件后不展示文件

---

antd官网也有这个bug，我上周已经提了issue并且官方修复了：点击查看
作者把vue版的官网demo也修复下吧

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[github-actions]

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