style: fix datepicker panel style

[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

before

after

RTL 模式下 下拉框 左右反了

📝 Changelog

Language	Changelog
🇺🇸 English	Fix DatePicker panel style in RTL
🇨🇳 Chinese	修复 DatePicker 下拉框在 RTL 模式下样式

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• 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

[ant-design-bot]

[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 ab87f46:

Sandbox	Source
antd reproduction template	Configuration

[codecov]

Codecov Report

Merging #24028 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #24028   +/-   ##
=======================================
  Coverage   98.83%   98.83%           
=======================================
  Files         364      364           
  Lines        7291     7291           
  Branches     2028     2017   -11     
=======================================
  Hits         7206     7206           
  Misses         85       85           

---

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 e188537...ab87f46. Read the comment docs.