Bug#1049423: gnome-calculator: takes 55 seconds to start

[Jeremy Bícha]

gtk4 now uses XDG desktop portals by default. I guess you need to
figure out how to get xdg-desktop-portal working in your environment
or disable portals in gtk4 and maybe also in libadwaita. There are
environment variables you can use.

https://docs.gtk.org/gtk4/running.html suggests GDK_DEBUG=no-portals

Thank you,
Jeremy Bícha