fix(docs): language switcher not working as expected in mobile mode

[jeasonstudio]

[中文版模板 / Chinese template]

💡 Background and solution

🔗 Related issue link

fix #968

[changeset-bot]

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Latest commit: 417178e

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Name	Status	Preview	Comments	Updated (UTC)
ant-design-web3	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 17, 2024 7:36am

[jeasonstudio]

具体的改动参考：jeasonstudio/dumi-theme-antd@828eff4

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (caf5569) to head (417178e).

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #976   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          712       712           
  Lines        21629     21629           
  Branches      1225      1225           
=========================================
  Hits         21629     21629           

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