MudDataGrid: Custom comparer

[Anu6is]

Description

Adds a Comparer property to MudDataGrid and update selection methods

• Add Comparer property of type IEqualityComparer<T> to MudDataGrid
• Update SetSelectedItemAsync and SetSelectAllAsync methods to use Comparer for row selection
• Update Selected property in CellContext to use Comparer for checking if a cell is selected

Resolves #10139

How Has This Been Tested?

Unit test created and test viewer component added

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.

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 91.23%. Comparing base (83de262) to head (bf7ff5f).
Report is 10 commits behind head on dev.

Files with missing lines	Patch %	Lines
...MudBlazor/Components/DataGrid/MudDataGrid.razor.cs	80.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##              dev   #10156   +/-   ##
=======================================
  Coverage   91.22%   91.23%           
=======================================
  Files         411      411           
  Lines       12484    12496   +12     
  Branches     2434     2435    +1     
=======================================
+ Hits        11389    11401   +12     
  Misses        552      552           
  Partials      543      543           

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[ScarletKuro]

LGTM. I will do some manual testing later and merge it.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[ScarletKuro]

Thanks