GTK warnings when opening preferences window
(gnome-games:2): Gtk-WARNING **: 19:26:34.793: GtkBox 0x55aade97fcb0 is drawn without a current allocation. This should not happen.
(gnome-games:2): Gtk-WARNING **: 19:26:34.793: GtkHeaderBar 0x55aade609cf0 is drawn without a current allocation. This should not happen.
(gnome-games:2): Gtk-WARNING **: 19:26:35.137: GtkBox 0x55aade97fcb0 is drawn without a current allocation. This should not happen.
(gnome-games:2): Gtk-WARNING **: 19:26:35.137: GtkHeaderBar 0x55aade609cf0 is drawn without a current allocation. This should not happen.
(gnome-games:2): Gtk-WARNING **: 19:26:37.034: GtkBox 0x55aade97fcb0 is drawn without a current allocation. This should not happen.
(gnome-games:2): Gtk-WARNING **: 19:26:37.034: GtkHeaderBar 0x55aade609cf0 is drawn without a current allocation. This should not happen.
(gnome-games:2): Gtk-WARNING **: 19:26:39.773: GtkBox 0x55aade97fcb0 is drawn without a current allocation. This should not happen.
(gnome-games:2): Gtk-WARNING **: 19:26:39.773: GtkHeaderBar 0x55aade609cf0 is drawn without a current allocation. This should not happen.
Edited by Alice Mikhaylenko