feat: css var prefix follow prefixCls by default

[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
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Workflow
• Other (about what?)

🔗 Related issue link

💡 Background and solution

Currently css var prefix is separated with prefixCls on ConfigProvider. This PR make it follow prefixCls by default.

📝 Changelog

Language	Changelog
🇺🇸 English	prefix of css var should follow prefixCls of ConfigProvider by default.
🇨🇳 Chinese	CSS 变量的前缀默认跟随 ConfigProvider 的 prefixCls 属性。

☑️ 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 Build for PR #47481 Failed ❌

Potential causes:

• upstream workflow status: failure upstream job link
• download report artifact status: failure
• report upload status: skipped

[github-actions]

[github-actions]

size-limit report 📦

Path	Size
./dist/antd.min.js	333.88 KB (+226 B 🔺)
./dist/antd-with-locales.min.js	379.4 KB (-34 B 🔽)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ee27f0e) 100.00% compared to head (b53c20b) 100.00%.
Report is 12 commits behind head on feature.

Additional details and impacted files

@@            Coverage Diff            @@
##           feature    #47481   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files          734       734           
  Lines        12596     12657   +61     
  Branches      3300      3323   +23     
=========================================
+ Hits         12596     12657   +61     

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