bug#31650: 26.1; Desktop mode adds wm stickiness to emacs windows.

[martin rudalics]

> And KDE seems to do absolutely nothing when we set or clear the sticky
> parameter.

Thanks for testing.  I'm not sure whether I understand this last
sentence: Does it mean that when you set to t the sticky parameter of
an unsticky frame, that frame does _not_ become sticky?

martin