fix: Modal footer buttons not spaced when using href in button

[headwindz]

[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
• Other (about what?)

🔗 Related issue link

close #29658

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix the bug that Modal footer buttons not spaced properly when using href in button.
🇨🇳 Chinese	修复Modal页脚里使用href按钮导致的间距丢失问题。

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• 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

[github-actions]

[codecov]

Codecov Report

Merging #29681 (8f79e7e) into master (280201a) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master    #29681   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          394       394           
  Lines         7519      7519           
  Branches      2111      2111           
=========================================
  Hits          7519      7519           

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[xrkffgg]

close https://github.com/ant-design/ant-design/issues/29658

or fix or resolve

PR 里用这种方式

[tqwewe]

@xrkffgg Thank you for resolving this so fast.