feat: add style/className/styles/classNames to ConfigProvider

[LuZhenJie1999]

🤔 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

#39862

💡 Background and solution

add style/styles/className/classNames to ConfigProvider for button

📝 Changelog

Language	Changelog
🇺🇸 English	add style/styles/className/classNames to ConfigProvider for button
🇨🇳 Chinese	ConfigProvider 可自定义 button 的 style/className/styles/classNames

☑️ 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 32c90ac

This pull request adds a new feature to the ConfigProvider component, which allows users to customize the style and className props of the Button component globally. It updates the Button component, the ConfigContext interfaces, and the documentation to support this feature. It also adds a test file and fixes a minor issue in the Button component.

🔍 Walkthrough

🤖 Generated by Copilot at 32c90ac

• Add button prop to ConfigProvider component to allow customizing Button component style and className (link, link, link, link, link, link, link)
• Import and use IconWrapper component in Button component to wrap icon prop and apply styles and classes (link, link, link, link, link)
• Remove duplicate import of IconWrapper component in Button component (link)
• Reorder imports and add new line in context.ts file for readability (link)
• Add test cases for ConfigProvider.button feature in button.test.tsx file (link)

[github-actions]

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (f09e9cb) 100.00% compared to head (c276c55) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##           feature    #42623   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          641       641           
  Lines        10891     10895    +4     
  Branches      2958      2960    +2     
=========================================
+ Hits         10891     10895    +4     

Impacted Files	Coverage Δ
components/config-provider/context.ts	100.00% <ø> (ø)
components/config-provider/index.tsx	100.00% <ø> (ø)
components/button/button.tsx	100.00% <100.00%> (ø)

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[MadCcc]

size-limit 超了
#42554
等等这个合了