fix: Select custom suffixIcon should be accessible

[afc163]

🤔 This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
• Code style optimization
• Test Case
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🔗 Related issue link

close #23263

💡 Background and solution

When custom suffixIcon of Select, it should be expected to be handable.

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Select custom suffixIcon cannot be access.
🇨🇳 Chinese	修复 Select 自定义 suffixIcon 无法交互的问题。

☑️ 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]

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[codecov]

Codecov Report

Merging #23274 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #23274   +/-   ##
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  Coverage   98.35%   98.35%           
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  Files         364      364           
  Lines        7279     7279           
  Branches     1946     1946           
=======================================
  Hits         7159     7159           
  Misses        120      120           

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[luckyxutao]

需要添加className="ant-select-suffix"才有效果