feat: add optional Timezone parameter for MudWatch

[5m2wse50]

Summary

This PR adds an optional TimeZone parameter to the MudWatch component.
When the TimeZone parameter is set, the watch will display the time according to the specified timezone, regardless of the client's location.

Changes

• Added TimeZone (of type TimeZoneInfo?) parameter to MudWatch.
• Added GetCurrentTime() helper method to handle time conversion.
• Updated OnInitialized, Elapse, and SetWatchMode to use the new helper method.

Fixes #100

[codecov]

Codecov Report

❌ Patch coverage is 75.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.08%. Comparing base (28fde7e) to head (8de8b18).
⚠️ Report is 1 commits behind head on dev.

Files with missing lines	Patch %	Lines
...azor.Extensions/Components/Watch/MudWatch.razor.cs	75.00%	1 Missing and 1 partial ⚠️

❌ Your patch status has failed because the patch coverage (75.00%) is below the target coverage (90.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #615      +/-   ##
==========================================
- Coverage   68.09%   68.08%   -0.01%     
==========================================
  Files         107      107              
  Lines        7495     7499       +4     
  Branches     1286     1287       +1     
==========================================
+ Hits         5104     5106       +2     
- Misses       1916     1917       +1     
- Partials      475      476       +1     

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[mckaragoz]

Thanks 🥇