style: fix button loading 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

close #23395

💡 Background and solution

• RTL lost : fix: Button loading switch animation #23102

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Button RTL loading icon
🇨🇳 Chinese	修复 Button RTL loading 按钮

☑️ 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]

[codesandbox-ci]

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Latest deployment of this branch, based on commit caf49ad:

Sandbox	Source
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antd reproduction template	Issue #23395

[afc163]

/rebase

[codecov]

Codecov Report

Merging #23399 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #23399   +/-   ##
=======================================
  Coverage   98.38%   98.38%           
=======================================
  Files         364      364           
  Lines        7320     7320           
  Branches     2004     2004           
=======================================
  Hits         7202     7202           
  Misses        118      118           

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