fix: 🐛 Alert description wrapping

[afc163]

🤔 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 #20313

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	-
🇨🇳 Chinese	-

☑️ Self Check before Merge

• 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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[codecov]

Codecov Report

Merging #20318 into 4.0-prepare will not change coverage.
The diff coverage is 100%.

@@             Coverage Diff              @@
##           4.0-prepare   #20318   +/-   ##
============================================
  Coverage        97.55%   97.55%           
============================================
  Files              294      294           
  Lines             6839     6839           
  Branches          1839     1870   +31     
============================================
  Hits              6672     6672           
  Misses             167      167

Impacted Files	Coverage Δ
components/alert/ErrorBoundary.tsx	100% <100%> (ø)	⬆️

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