Correct the hidden property for clrDgHideableColumn

[AllForNothing]

1.Fixes #18870

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Issue being fixed

Fixes #(issue)

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[codecov]

Codecov Report

Merging #18890 (6f41eeb) into main (1d2624e) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #18890      +/-   ##
==========================================
+ Coverage   67.37%   67.39%   +0.01%     
==========================================
  Files         981      981              
  Lines      107193   107194       +1     
  Branches     2698     2698              
==========================================
+ Hits        72224    72244      +20     
+ Misses      31088    31069      -19     
  Partials     3881     3881              

Flag	Coverage Δ
unittests	67.39% <ø> (+0.01%)	⬆️

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see 7 files with indirect coverage changes