[RangePicker] Missing hoverRange border in year panel when start date and end date are in the same year

[AlanCutFlim]

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

Reproduction link

https://ant.design/components/date-picker-cn/#components-date-picker-demo-range-picker

Steps to reproduce

• Enter the link and find the date type RangePicker
• Select a start date and end date in year 2020
• Then click the end date in input and enter the year pannel in the right side
• Hover next year in the year panel
• If you can't reproduce it, please follow the steps in the GIF below
  

What is expected?

There is border

What is actually happening?

There is no border

Environment	Info
antd	4.8.4
React	react 16.14.0
System	macOS Catalina 10.15.4
Browser	Chrome 86.0.4240.111

[yoyo837]

Seem similar as #27798

[AlanCutFlim]

@yoyo837 Kind weird, if you change the start date after that, the hoverRange border gets normal again. Hope it can help you

[github-actions]

Hello @AlanCutFlim. We totally like your proposal/feedback, welcome to send us a Pull Request for it. Please send your Pull Request to proper branch (feature branch for the new feature, master for bugfix and other changes), fill the Pull Request Template here, provide changelog/TypeScript/documentation/test cases if needed and make sure CI passed, we will review it soon. We appreciate your effort in advance and looking forward to your contribution!

你好 @AlanCutFlim，我们完全同意你的提议/反馈，欢迎直接在此仓库 创建一个 Pull Request 来解决这个问题。请将 Pull Request 发到正确的分支（新特性发到 feature 分支，其他发到 master 分支），务必填写 Pull Request 内的预设模板，提供改动所需相应的 changelog、TypeScript 定义、测试用例、文档等，并确保 CI 通过，我们会尽快进行 Review，提前感谢和期待您的贡献。

[zombieJ]

Picker component has been refactor in 5.14.0, and this issue is discussed and handled with react-component/picker#691 which will be marked as closed.

Please feel free to create new issue if you have any further question :)

Picker 组件于 5.14.0 版本进行了重构，此问题已被 react-component/picker#691 中进行讨论与处理。

如果有任何问题，欢迎随时创建新的 issue :)