Sets whether @action's menu item proxies will ignore the #GtkSettings:gtk-menu-images setting and always show their image, if available.
Use this if the menu item would be useless or hard to use without their image.
%TRUE if menuitem proxies should always show their image
Deprecated: Use g_menu_item_set_icon() on a #GMenuItem instead, if the item should have an image
2.20
See Implementation
Sets whether @action's menu item proxies will ignore the #GtkSettings:gtk-menu-images setting and always show their image, if available.
Use this if the menu item would be useless or hard to use without their image.