fix: using ConfimRef to close Confirm dialog but not reset body's scroll bar (#883)

[zxyao145]

[中文版模板 / Chinese template]

🤔 This is a ...

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

#883

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	fix: using ConfimRef to close Confirm dialog but not reset body's scroll bar
🇨🇳 Chinese	修复使用 ConfimRef 关闭 Confirm 对话框时无法重置 body 滚动条的问题

☑️ 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

[codecov-io]

Codecov Report

Merging #884 (683aa6d) into master (e011db5) will increase coverage by 0.15%.
The diff coverage is 0.00%.

@@            Coverage Diff            @@
##           master    #884      +/-   ##
=========================================
+ Coverage    5.40%   5.56%   +0.15%     
=========================================
  Files         400     400              
  Lines       21282   21283       +1     
=========================================
+ Hits         1150    1184      +34     
+ Misses      20132   20099      -33     

Impacted Files	Coverage Δ
components/modal/ComfirmContainer.razor.cs	0.00% <0.00%> (ø)
components/tabs/TabPane.razor.cs	92.06% <0.00%> (+1.58%)	⬆️
components/core/Base/AntComponentBase.cs	42.30% <0.00%> (+5.12%)	⬆️
components/tabs/Tabs.razor.cs	56.32% <0.00%> (+11.83%)	⬆️

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