feat(ColorPicker): close panel when click clear button

[kiner-tang]

[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
• Branch merge
• Workflow
• Other (about what?)

🔗 Related issue link

💡 Background and solution

close panel when click clear button

• https://element.eleme.cn/#/zh-CN/component/color-picker

📝 Changelog

Language	Changelog
🇺🇸 English	close panel when click clear button
🇨🇳 Chinese	点击清除按钮时隐藏面板

☑️ 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

---

🚀 Summary

🤖 Generated by Copilot at 8a8b820

Refactored ColorPicker component and updated its test case. Added a clearColor feature that allows users to reset the color and hide the panel.

🔍 Walkthrough

🤖 Generated by Copilot at 8a8b820

• Add clearColor feature to ColorPicker component to allow user to clear color selection (link, link)
• Update test case for clearColor feature in index.test.tsx file (link)

[github-actions]

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	384.34 KB (+15 B 🔺)
./dist/antd-with-locales.min.js	443.58 KB (+14 B 🔺)

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (2274111) 100.00% compared to head (e1f8720) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##            master    #42406   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          640       640           
  Lines        10839     10842    +3     
  Branches      2944      2945    +1     
=========================================
+ Hits         10839     10842    +3     

Impacted Files	Coverage Δ
components/color-picker/ColorPicker.tsx	100.00% <100.00%> (ø)
...omponents/color-picker/components/ColorTrigger.tsx	100.00% <100.00%> (ø)

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