add_filter('acf/load_field_groups', function($field_groups){

	foreach( $field_groups as $key => $group ){

		if( isset($group['key']) && $group['key'] === 'group_5c4f2dec3824e' ){

			if( isset($group['location'][0][0]['param']) && $group['location'][0][0]['param'] === 'nav_menu_item' ){
				$field_groups[$key]['location'][0][0]['value'] = 'all';
			}

		}
	}

	return $field_groups;
});