Order galleries in admin by date

sunshine-galleries-by-date

// Add this to your theme's functions.php file
// Or use this plugin https://wordpress.org/plugins/my-custom-functions/
add_filter( 'pre_get_posts', 'sunshine_order_galleries_by_date_in_admin' );
function sunshine_order_galleries_by_date_in_admin( $wp_query ) {
	global $pagenow;
	if ( is_admin() && $_GET['post_type'] == 'sunshine-gallery' && 'edit.php' == $pagenow && !isset( $_GET['orderby'] ) ) {
		$wp_query->set( 'orderby', 'date' );
		$wp_query->set( 'order', 'DESC' );
	}
}