Dark-Buttons on Workspace Selection Dialog Look Different Then on Other Dialogs

[BeckerWdf]

In the dark theme the button on the workspace selection dialog (at start up of the IDE) look differently then on other dialogs of the IDE or on the same workspace selection dialog started from "File > Switch Workspace".

For screenshots and more details see eclipse-platform/eclipse.platform.swt#3186 (comment).

[BeckerWdf]

@vogella can you have a look?

[vogella]

@vogella can you have a look?

Yes

[vogella]

@BeckerWdf please test the test commit on Mac. If that works I would have to test it on Linux and Windows and might have to guard it for the Mac OS.

[BeckerWdf]

How can I test this? As the issue only happens when starting the IDE. Does is also happen when I start a new IDE from a Development-IDE?

[vogella]

If you start a runtime IDE without location you should be able to check

[BeckerWdf]

Without your changes:

With your changes:

But from the running IDE it looks like this:

See that the "Launch" button is highlighted