fix(module: select)group names are not hidden when searching

[WhyILoveSpringRoll]

…Select component

🤔 This is a ...

• New feature
• Bug fix
• Site / documentation update
• Demo update
• Component style update
• Bundle size optimization
• Performance optimization
• Refactoring
• Code style optimization
• Test Case
• Branch merge
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💡 Background and solution

📝 Changelog

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🇨🇳 Chinese

☑️ Self Check before Merge

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 43.80%. Comparing base (ebca047) to head (044fe8a).
Report is 2 commits behind head on master.

Files	Patch %	Lines
components/select/internal/SelectOptionGroup.razor	0.00%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3722      +/-   ##
==========================================
- Coverage   43.93%   43.80%   -0.13%     
==========================================
  Files         573      573              
  Lines       27844    27839       -5     
  Branches     5634     5633       -1     
==========================================
- Hits        12234    12196      -38     
- Misses      14577    14654      +77     
+ Partials     1033      989      -44     

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