style: 优化calendar若干样式

[xrkffgg]

🤔 This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Other (about what?)

🔗 Related issue link

💡 Background and solution

https://next.ant.design/components/calendar-cn/

❄ Before

💄 After

📝 Changelog

Language	Changelog
🇺🇸 English
🇨🇳 Chinese	1. 优化基本样式月份下拉框宽度；2. 优化通知事项的文字顺序；3. 优化卡片模式，选择框的尺寸

☑️ Self Check before Merge

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

[yoyo837]

是不是固定调宽一丢丢就好了？仍然保持固定宽度如何？

[netlify]

Deploy preview for ant-design ready!

Built with commit c881f97

https://deploy-preview-20790--ant-design.netlify.com

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit d030c9f:

Sandbox	Source
antd reproduction template	Configuration

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit c881f97:

Sandbox	Source
antd reproduction template	Configuration

[xrkffgg]

@yoyo837 我看 3.26 是用的 min-width

[codecov]

Codecov Report

Merging #20790 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #20790      +/-   ##
==========================================
- Coverage   97.47%   97.46%   -0.01%     
==========================================
  Files         296      296              
  Lines        6878     6877       -1     
  Branches     1865     1911      +46     
==========================================
- Hits         6704     6703       -1     
  Misses        174      174

Impacted Files	Coverage Δ
components/calendar/Header.tsx	100% <ø> (ø)	⬆️
components/input/ClearableLabeledInput.tsx	100% <0%> (ø)	⬆️
components/input/Input.tsx	100% <0%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d17269e...c881f97. Read the comment docs.

[xrkffgg]

用width 好一些吗？

[zombieJ]

用width 好一些吗？

目前看没啥问题，有问题可以再改回来。