fix: TimePicker.RangePicker bordred when has className

[afc163]

when has className

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

🔗 Related issue link

close #24768

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix TimePicker.RangePicker bordered={false} not working when has className.
🇨🇳 Chinese	修复 TimePicker.RangePicker 指定 className 后无边框样式失效的问题。

☑️ 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

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View rendered components/time-picker/demo/bordered.md

[ant-design-bot]

[ant-design-bot]

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[codecov]

Codecov Report

Merging #24781 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #24781   +/-   ##
=======================================
  Coverage   99.21%   99.21%           
=======================================
  Files         365      365           
  Lines        7292     7292           
  Branches     2039     2039           
=======================================
  Hits         7235     7235           
  Misses         57       57           

Impacted Files	Coverage Δ
...date-picker/generatePicker/generateRangePicker.tsx	100.00% <ø> (ø)

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