Whether this activatable should reset its layout and appearance when setting the related action or when the action changes appearance.
See the #GtkAction documentation directly to find which properties should be ignored by the #GtkActivatable when this property is false.
> #GtkActivatable implementors need to handle this property > and call gtk.activatable.Activatable.syncActionProperties on the activatable > widget when it changes.
Set useActionAppearance property.