fix #12365 [Accessibility] The text "Document does not contain any pages" in printPreviewControl has low color contrast

[Epica3055]

Fixes #12365

Proposed changes

• Change the text color to black

Regression?

• No

Risk

• low

Screenshots

Before

After

Test methodology

• manual

Microsoft Reviewers: Open in CodeFlow

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 75.58920%. Comparing base (e8a65f9) to head (f6f7e29). Report is 40 commits behind head on main.

Additional details and impacted files

@@                 Coverage Diff                 @@
##                main      #12368         +/-   ##
===================================================
- Coverage   75.64857%   75.58920%   -0.05938%     
===================================================
  Files           3120        3135         +15     
  Lines         635396      635989        +593     
  Branches       46933       47025         +92     
===================================================
+ Hits          480668      480739         +71     
- Misses        151270      151795        +525     
+ Partials        3458        3455          -3     

Flag	Coverage Δ
Debug	75.58920% <0.00000%> (-0.05938%)	:arrow_down:
integration	18.26808% <0.00000%> (-0.01432%)	:arrow_down:
production	49.12374% <0.00000%> (-0.08025%)	:arrow_down:
test	97.02706% <ø> (+0.00013%)	:arrow_up:
unit	46.09268% <0.00000%> (-0.05613%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

[Tanya-Solyanik]

Loogs good, but could you please get this change tested by @Olina-Zhang's team?

[LeafShi1]

1 non-regression issue was found in HC mode, and a new issue 12401 has been filed to track it.

[Tanya-Solyanik]

@Epica3055 - please prepare this one for servicing

[Epica3055]

/backport to release/9.0

[github-actions[bot]]

Started backporting to release/9.0: https://github.com/dotnet/winforms/actions/runs/11695857589