style: optimize typography expand style in rtl

[xrkffgg]

🤔 This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Other (about what?)

🔗 Related issue link

💡 Background and solution

• RTL 模式下，expand 应在左边

📝 Changelog

Language	Changelog
🇺🇸 English	Optimize Typography expand style in RTL
🇨🇳 Chinese	优化 Typography expand 在 RTL 模式下的样式

☑️ 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

[ant-design-bot]

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[codecov]

Codecov Report

Merging #24084 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #24084   +/-   ##
=======================================
  Coverage   98.82%   98.82%           
=======================================
  Files         364      364           
  Lines        7293     7293           
  Branches     2031     2031           
=======================================
  Hits         7207     7207           
  Misses         86       86           

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