DarkMode (c) Fix TitleBar issues

[KlausLoeffelmann]

Fixes #12992.

Microsoft Reviewers: Open in CodeFlow

[codecov]

Codecov Report

Attention: Patch coverage is 13.38462% with 1126 lines in your changes missing coverage. Please review.

Project coverage is 76.47531%. Comparing base (c78c1e9) to head (c68dc30).

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main      #13468         +/-   ##
===================================================
- Coverage   76.60074%   76.47531%   -0.12544%     
===================================================
  Files           3230        3239          +9     
  Lines         639097      640238       +1141     
  Branches       47289       47403        +114     
===================================================
+ Hits          489553      489624         +71     
- Misses        145962      147041       +1079     
+ Partials        3582        3573          -9     

Flag	Coverage Δ
Debug	76.47531% <13.38462%> (-0.12544%)	⬇️
integration	18.72660% <5.76923%> (-0.05413%)	⬇️
production	50.82678% <13.38462%> (-0.17762%)	⬇️
test	97.40411% <ø> (ø)
unit	48.22355% <13.38462%> (-0.19133%)	⬇️

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