MudAutocomplete: Fix Text coersion on Tab key (OnBlur or CloseMenu)

[HClausing]

Description

Related issues / PRs: #3824, #3825, #8914

The component was invalid closing the Menu on Tab Key Down, just by setting Open = false. By this way never call the CoerceTextToValueAsync() method. Instead, now it's changed to await CloseMenuAsync();.

Another unexpected behavior that appeared after this fix is about combining ResetValueOnEmptyText and CoerceText. The CoerceText was forcing the last valid value to Text even with empty input. Now Value and Text are set to null on empty text.

How Has This Been Tested?

• Visual tests;
• Unit tests: AutocompleteTextCoercionOnTabKeyTest() and AutocompleteTextCoercionAndResetIfEmptyTextTest.

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)

• Fix for Close Menu called on OnInputKeyDownAsync by Tab key, now calling CloseMenuAsync() and CoerceTextToValueAsync() correctly (even on blur), instead just settings Open = false;

• Fixed CoerceTextToValueAsync() to skip coersion if ResetValueOnEmptyText = true and Text = string.Empty.

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

All modified and coverable lines are covered by tests ✅

Project coverage is 91.14%. Comparing base (cc48517) to head (236e1ae).
Report is 7 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev   #10074   +/-   ##
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  Coverage   91.13%   91.14%           
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  Files         410      411    +1     
  Lines       12462    12484   +22     
  Branches     2419     2423    +4     
=======================================
+ Hits        11357    11378   +21     
  Misses        560      560           
- Partials      545      546    +1     

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[ScarletKuro]

cc @vernou (can't add in review for some reason)

[henon]

cc @vernou (can't add in review for some reason)

Fixed. He wasn't in the MudBlazor org contribution team yet.

[henon]

Thanks @HClausing!

[HClausing]

Thanks @HClausing!

Thanks for merging. I'm happy to be back on contributing.