gtk4 port
We need it at some point so let's have an issue. We can clean up wirst to move it to GTK4 as close possible and then forking off a GTK3 branch and to the switch on main.
We need it at some point so let's have an issue. We can clean up wirst to move it to GTK4 as close possible and then forking off a GTK3 branch and to the switch on main.