fix: fix Pagination size-changer element style ineffective

[wanpan11]

中文版模板 / Chinese template

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🔗 Related issue link

• fix Form.Item中的Table翻页组件样式异常 #48630

💡 Background and solution

在 Form 中使用 Pagination 会导致跳转选择元素样式异常

📝 Changelog

Language	Changelog
🇺🇸 English	fix Pagination size-changer element style ineffective
🇨🇳 Chinese	修复 Pagination 组件跳转选择元素样式失效

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👁 Visual Regression Report for PR #48931 Passed ✅

🎯 Target branch: master (89e50e2)
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All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (89e50e2) to head (71fad0b).

Additional details and impacted files

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  Coverage   100.00%   100.00%           
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  Files          746       746           
  Lines        12994     12994           
  Branches      3411      3411           
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  Hits         12994     12994           

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