Update the selected anchor color in Dark mode

[LeafShi1]

Fixes #14235

Proposed changes

• Add dark mode detection for the color of the selected Anchor attribute in the AnchorEditor.AnchorUI.cs

Customer Impact

• In dark mode, the selected anchors in AnchorEditor are correctly distinguished.

Regression?

• No

Risk

• MInimal

Screenshots

Before

After

Test methodology

• Manually

Test environment(s)

• .net 11.0.0-alpha.1.26055.11

Microsoft Reviewers: Open in CodeFlow

[Copilot]

Pull request overview

This pull request adds dark mode detection for the selected anchor color in the AnchorEditor to improve visual distinction in dark mode. The change addresses issue #14235 where selected anchors were not correctly distinguished in dark mode.

Changes:

• Added conditional logic to use SystemBrushes.ControlText for selected anchor color in dark mode instead of SystemBrushes.ControlDark

[codecov]

Codecov Report

❌ Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.21533%. Comparing base (9c45a8c) to head (2399b80).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main      #14237         +/-   ##
===================================================
+ Coverage   77.18007%   77.21533%   +0.03525%     
===================================================
  Files           3279        3279                 
  Lines         645129      645131          +2     
  Branches       47728       47729          +1     
===================================================
+ Hits          497911      498140        +229     
+ Misses        143538      143293        -245     
- Partials        3680        3698         +18     

Flag	Coverage Δ
Debug	77.21533% <0.00000%> (+0.03525%)	⬆️
integration	19.06534% <0.00000%> (+0.08351%)	⬆️
production	52.13293% <0.00000%> (+0.07923%)	⬆️
test	97.40479% <ø> (ø)
unit	49.51043% <0.00000%> (+0.01738%)	⬆️

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