Advance export allows export appearance white or black

[DevDorrejo]

• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a feature request that matches the one I want to file, without success.

Is your feature request related to a problem? Please describe.
The advanced does not "appearance" option, which allows export with white or black.

Describe the solution you'd like
Add the option to export White, Black "appearance" that is included in the other export options.

[davidjgraph]

Version? Browser? All the details the template asks for that you deleted....

[DevDorrejo]

Windows 11

• Draw.io Desktop 24.4.13

is a option that only appear when you directly export to a extension for example, PNG, JPEG, WEBP, but not appear when doing advanced export.

[github-actions]

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