2815f33458
It can take a little while for an app to quit after the user clicked the close button, and another for the portal to pick up the change. In order to provide feedback to the user that the request is being handled, replace the close button with a spinner. https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/6441 Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2732>