fix: clearedColor should be changed when initial value is undefined

[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
• Enhancement feature
• Internationalization
• Refactoring
• Code style optimization
• Test Case
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• Other (about what?)

🔗 Related issue link

fix #48577

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix ColorPicker that cleared icon should change when initial value is undefined.
🇨🇳 Chinese	修复 ColorPicker 在初始未受控时清除图标不会改变的问题。

☑️ 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
• Changelog is provided or not needed

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[github-actions]

👁 Visual Regression Report for PR #48584 Passed ✅

🎯 Target branch: master (50d8201)
📖 View Full Report ↗︎

🎊 Congrats! No visual-regression diff found.

[github-actions]

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	337.02 KB (-4 B 🔽)
./dist/antd-with-locales.min.js	384.46 KB (-34 B 🔽)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (50d8201) to head (1f49e3e).

Additional details and impacted files

@@            Coverage Diff             @@
##            master    #48584    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          745       745            
  Lines        13603     12946   -657     
  Branches      3628      3382   -246     
==========================================
- Hits         13603     12946   -657     

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