feat(modal): support classNames

[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

• [RFC] Drawer and Modal classNames and styles #43372
  close Modal missing contentStyle prop #44722

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Modal support classNames to customize build-in module's className
🇨🇳 Chinese	弹窗组件支持通过 classNames 自定义内置模块的 className

☑️ 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 76ef819

This pull request adds a new classNames property to the Modal component, which allows customizing the styles of different parts of the modal. It updates the documentation, the interface, and the dependency of the component to support the new feature. It also provides an example code to demonstrate the usage of the property.

🔍 Walkthrough

🤖 Generated by Copilot at 76ef819

• Add classNames property to Modal component to allow customizing class names of internal modules (link,link,link)
• Update English and Chinese documentation of Modal component to include classNames property in API section and link to example code in Examples section (link,link,link,link,link)
• Add example code for using classNames property of Modal component in components/modal/demo/classNames.tsx and components/modal/demo/classNames.md files (link)

[stackblitz]

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[github-actions]

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	396.54 KB (+177 B 🔺)
./dist/antd-with-locales.min.js	455.76 KB (+187 B 🔺)

[socket-security]

New dependencies detected. Learn more about Socket for GitHub ↗︎

Packages	Version	New capabilities	Transitives	Size	Publisher
rc-dialog	9.3.3	None	+0	77.7 kB	madccc
rc-image	7.3.1	None	+1	217 kB	zombiej

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (7d86965) 100.00% compared to head (bc89522) 100.00%.
Report is 25 commits behind head on feature.

Additional details and impacted files

@@            Coverage Diff            @@
##           feature    #44934   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          687       687           
  Lines        11669     11654   -15     
  Branches      3126      3119    -7     
=========================================
- Hits         11669     11654   -15     

Files Changed	Coverage Δ
components/config-provider/context.ts	100.00% <ø> (ø)
components/config-provider/index.tsx	100.00% <ø> (ø)
components/date-picker/style/index.ts	100.00% <ø> (ø)
components/input-number/style/index.ts	100.00% <ø> (ø)
components/input/style/index.ts	100.00% <ø> (ø)
components/select/useBuiltinPlacements.tsx	100.00% <ø> (ø)
components/slider/index.tsx	100.00% <ø> (ø)
components/table/style/index.ts	100.00% <ø> (ø)
components/theme/themes/shared/genRadius.ts	100.00% <ø> (ø)
components/_util/placements.ts	100.00% <100.00%> (ø)
... and 5 more

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[MadCcc]

styles 也加一下吧，还有 ConfigProvider 上的 modal 属性