fix: Steps inline broken style

[afc163]

[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

close #47401

💡 Background and solution

有个多余的样式。

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Steps cannot interact correctly when type="inline".
🇨🇳 Chinese	修复 Steps type="inline" 时鼠标无法 hover 到正确的步骤上的问题。

☑️ 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 #47406 Passed ✅

🎯 Target branch: master (52fdbb4)
📖 View Full Report ↗︎

🎊 Congrats! No visual-regression diff found.

[github-actions]

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	333.54 KB (+31 B 🔺)
./dist/antd-with-locales.min.js	379.27 KB (-11 B 🔽)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (52fdbb4) 100.00% compared to head (f33ae7c) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##            master    #47406   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          734       734           
  Lines        12593     12593           
  Branches      3298      3298           
=========================================
  Hits         12593     12593           

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