fix: picker multiple selection lines collpase

[zombieJ]

[中文版模板 / Chinese template]

🤔 This is a ...

• New feature
• Bug fix
• Site / documentation update
• Demo update
• Component style update
• TypeScript definition update
• Bundle size optimization
• Performance optimization
• Enhancement feature
• Internationalization
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🔗 Related issue link

fix #47665
close #47683

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix DatePicker with multiple selector collapse for cross the line.
🇨🇳 Chinese	修复 DatePicker 设置 multiple 多选换行时，行与行之间没有间隙的问题。

☑️ Self-Check before Merge

⚠️ Please check all items below before requesting a reviewing. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
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[github-actions]

[github-actions]

👁 Visual Regression Report for PR #47821 Failed ❌

🎯 Target branch: master (bb567f6)
📖 View Full Report ↗︎

Image name	Expected	Actual	Diff
date-picker-multiple.compact.png
date-picker-multiple.compact.css-var.png

Check Full Report for details

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	334.46 KB (-12 B 🔽)
./dist/antd-with-locales.min.js	380.3 KB (-56 B 🔽)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (bb567f6) to head (da07388).

Additional details and impacted files

@@            Coverage Diff            @@
##            master    #47821   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          736       736           
  Lines        12644     12645    +1     
  Branches      3326      3326           
=========================================
+ Hits         12644     12645    +1     

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[zombieJ]

看了一下截图对比。compact 下的标准大小新版是 28 是对的。以前小了 1px

[github-actions]

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