perf: optimize multiple select options style

[MadCcc]

[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
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🔗 Related issue link

💡 Background and solution

优化一下 Select 多选时的组件样式，利用 :has 移除相连的选项圆角，不支持 :has 的浏览器整条样式都会作废，不会有变化。

Before

After

📝 Changelog

Language	Changelog
🇺🇸 English	Optimize Select style of multiple selection.
🇨🇳 Chinese	优化 Select 组件多选时选项样式。

☑️ 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 #46646 Passed ✅

Target branch: master (ae38f1e)

---

Congrats! No visual-regression diff found

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	328.79 KB (+35 B 🔺)
./dist/antd-with-locales.min.js	374.7 KB (+167 B 🔺)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (e3c4de5) 100.00% compared to head (7a62d1b) 100.00%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##            master    #46646   +/-   ##
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  Coverage   100.00%   100.00%           
=========================================
  Files          708       708           
  Lines        12120     12120           
  Branches      3217      3217           
=========================================
  Hits         12120     12120           

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