BooleanInput: Fix form validation (#8690)

[igotinfected]

Description

Another form validation fix 😉

This time for boolean inputs, the Touched property was not being updated when the state was changed using key presses. Moved the Touched change to the base method that is called for every update to avoid having to change Touched in multiple logic branches.

Fixes #8690

How Has This Been Tested?

Visually + unit tests.

Types 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)

chrome_7FaohzJBjY.mp4

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 90.08%. Comparing base (28bc599) to head (15bb9c7).
Report is 46 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #8693      +/-   ##
==========================================
+ Coverage   89.82%   90.08%   +0.25%     
==========================================
  Files         412      418       +6     
  Lines       11878    12018     +140     
  Branches     2364     2367       +3     
==========================================
+ Hits        10670    10826     +156     
+ Misses        681      659      -22     
- Partials      527      533       +6     

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[henon]

Thanks @igotinfected