Is it possible to disable rounded corners at the top of windows when the groupbar is active?

[yaslam]

Hi, when I use the group bar and rounded corners for windows, all four corners of the window are rounded, leading to an inconsistent look. Is it possible to disable just the rounded corners at the top of windows when the group bar is active?

I have provided an image that shows this:

Thanks.

[vaxry]

not possible at the moment