Feature: fix borders for misbehaving applications

[Ralf Mardorf]

On Thu, 2022-10-20 at 17:41 +0200, Enrico Weigelt wrote:
> X window managers aren't blocked by misbehaving clients) - with CSD
> this class of problems was now introduced into the
> Unix / X11 world.

A partial solution for the gtk3 CSD issue:
https://github.com/ZaWertun/gtk3-nocsd

There's no workaround available for the gtk4 CSD issue. Welcome to a
world for idiots, get used to other great designs:
https://miro.medium.com/max/640/0*9p89st4mvcEPmpsf.jpg

However, a misbehaving client was already able to make a X session
unresponsive way before the days of CSD.