Let the user know what went wrong, using a secondary icon and tooltip directly in the URL entry field. Also provide a hint to GTK that it is meant to be a URL field. Fixes https://gitlab.gnome.org/GNOME/gnome-calendar/-/issues/1177
Let the user know what went wrong, using a secondary icon and tooltip directly in the URL entry field. Also provide a hint to GTK that it is meant to be a URL field. Fixes https://gitlab.gnome.org/GNOME/gnome-calendar/-/issues/1177