fix: borderless tag should use defaultBg

[MadCcc]

[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

close #47370

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Tag that should use defaultBg token with bordered={false}.
🇨🇳 Chinese	修复 Tag 无边框模式没有正确使用 defaultBg 组件 token 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]

[github-actions]

👁 Visual Regression Report for PR #47372 Failed ❌

🎯 Target branch: master (54b7c3e)
📖 View Full Report ↗︎

Image name	Expected	Actual	Diff
tag-component-token.compact.png
tag-component-token.compact.css-var.png
tag-component-token.dark.png
tag-component-token.dark.css-var.png
tag-component-token.default.png
tag-component-token.default.css-var.png

Check Full Report for details

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 3cdd65c:

Sandbox	Source
antd reproduction template (forked)	Configuration

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	333.42 KB (-4 B 🔽)
./dist/antd-with-locales.min.js	379.13 KB (-122 B 🔽)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0c9e5a6) 100.00% compared to head (3cdd65c) 100.00%.
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##            master    #47372   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          734       734           
  Lines        12590     12590           
  Branches      3295      3295           
=========================================
  Hits         12590     12590           

☔ View full report in Codecov by Sentry.
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