MudDatePicker: Fix GoToDate with Persian calendar

[ajahangard]

Resolved issue #8905 in GoToDate() methods in MudDatePicker

Description

Fixes: #8905

How Has This Been Tested?

I have tested it manually.
I added relevant test case.

Type of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation (fix or improvement to the website or code docs)

Checklist

• The PR is submitted to the correct branch (dev).
• My code follows the code style of this project.
• I've added relevant tests.

[ScarletKuro]

Hi.
Thanks, I really appreciate in helping with the Persian Calendar.
Would it be hard for you to add a unit test based on the #8905 repro (or own code)?

[henon]

@ajahangard please understand that by providing a test for your fix you'll ensure that further work on the date picker will never ever break it again, at least not this aspect ;)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.26%. Comparing base (28bc599) to head (b69d7c5).
Report is 165 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #8909      +/-   ##
==========================================
+ Coverage   89.82%   90.26%   +0.43%     
==========================================
  Files         412      425      +13     
  Lines       11878    12294     +416     
  Branches     2364     2409      +45     
==========================================
+ Hits        10670    11097     +427     
+ Misses        681      667      -14     
- Partials      527      530       +3     

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[ajahangard]

@henon @ScarletKuro ,
Hi, relevant test added:
PersianCalendarTest_GoToDate()
It test the gotodate functionality on persian calendar.

[henon]

Thanks @ajahangard