The selected control should have a solid border in the DemoConsole application

[MelonWang1]

.NET version

.Net 9.0: Main branch of 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+?

No, this was changed after winform designer PR 5855.

Issue description

Actual result in DemoConsole test app: The selected control has a dashed border in the DemoConsole application.

Expected result: The selected control should have a solid border in the DemoConsole application.

Steps to reproduce

Test sample: DemoConsole in Winforms repo.