fix: Compatible with v4 logic

[zombieJ]

[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
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🔗 Related issue link

resolve #47605

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Button compatible with v4 type='' case to show as default type.
🇨🇳 Chinese	Button 兼容 v4 type='' 的表现，默认为 default 类型。

☑️ 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
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[github-actions]

[github-actions]

👁 Visual Regression Report for PR #47612 Passed ✅

🎯 Target branch: master (72ee451)
📖 View Full Report ↗︎

🎊 Congrats! No visual-regression diff found.

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	333.86 KB (+306 B 🔺)
./dist/antd-with-locales.min.js	379.37 KB (-336 B 🔽)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (dd0104f) to head (0336cb8).
Report is 76 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##            master    #47612    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          734       736     +2     
  Lines        12590     13011   +421     
  Branches      3295      3498   +203     
==========================================
+ Hits         12590     13011   +421     

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