extra method
Implementation
UAdminAction extra(String key, {required String label, required IconData icon, bool destructive = false, bool visible = true, Color? color, List<TagUser>? roles}) =>
UAdminAction(label: label, icon: icon, destructive: destructive, visible: visible, color: color, roles: roles, onTap: () => _handlers.extras?[key]?.call(item));