fix(module: collapse): fix outdated html structures

[ElderJames]

🤔 This is a ...

• New feature
• Bug fix
• Site / documentation update
• Demo update
• Component style update
• Bundle size optimization
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• Refactoring
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🔗 Related issue link

fixed #2662

💡 Background and solution

📝 Changelog

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🇺🇸 English
🇨🇳 Chinese

☑️ 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
• Changelog is provided or not needed

[github-actions]

[codecov]

Codecov Report

Merging #2668 (7a35a35) into master (e9edc35) will increase coverage by 2.89%.
The diff coverage is 39.13%.

@@            Coverage Diff             @@
##           master    #2668      +/-   ##
==========================================
+ Coverage   30.63%   33.53%   +2.89%     
==========================================
  Files         505      543      +38     
  Lines       34369    26450    -7919     
  Branches        0      260     +260     
==========================================
- Hits        10530     8869    -1661     
+ Misses      23839    17541    -6298     
- Partials        0       40      +40     

Impacted Files	Coverage Δ
components/collapse/Panel.razor	0.00% <0.00%> (ø)
components/icon/IconService.cs	39.53% <39.28%> (+4.34%)	⬆️
components/icon/Icon.razor.cs	75.92% <46.66%> (-4.85%)	⬇️
components/breadcrumb/Breadcrumb.razor.cs	90.00% <0.00%> (-10.00%)	⬇️
components/core/Helpers/MemberPath/PathNode.cs	46.15% <0.00%> (-8.85%)	⬇️
components/avatar/AvatarGroup.razor	75.00% <0.00%> (-8.34%)	⬇️
components/core/Reflection/TypeDefined.cs	77.77% <0.00%> (-7.94%)	⬇️
components/input/InputGroup.razor.cs	87.50% <0.00%> (-6.95%)	⬇️
components/core/Helpers/DateHelper.cs	85.33% <0.00%> (-4.90%)	⬇️
...ponents/date-picker/types/DatePickerPlaceholder.cs	22.72% <0.00%> (-4.20%)	⬇️
... and 446 more

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
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