[VisualStylesMode: Net11] The text is not clear for the Radiobutton/CheckBox/Button when setting the FlatStyle = Popup & Enable = False with set VisualStylesMode as NET11

[Zheng-Li01]

.NET version

11.0.0-preview.7.26365.114 + private dlls built from Net11/Integration-2 branch of https://github.com/KlausLoeffelmann/winforms repo

Did it work in .NET Framework?

Not tested/verified

Did it work in any of the earlier releases of .NET Core or .NET 5+?

This is new API introduced by #14746

Issue description

The text is not clear for the Radiobutton/CheckBox/Button when setting the FlatStyle = Popup & Enable = False with set VisualStylesMode as NET11

Steps to reproduce

1. Create a .NET winforms project
2. Set the VisualStylesMode as NET11 for the form1
3. Add Button control on the form1.cs[Design]
4. Set the FlatStyle as Popup & Enable as False for button1 control
5. Build & run the project
6. Observe the text for the button1 contorl

[Olina-Zhang]

Tested the fix in .NET 11/Integration-3: #14768, it was fixed: