Photos masnory grid - image order by date

functions.php

add_action( 'init', function() {
class My_Shortcode_Override extends DT_Shortcode_GalleryMasonry {

    protected function get_albums_attachments( $args = array() ) {
			$post_type = $this->get_att( 'post_type' );
			$defaults = array(
				'orderby' => 'date',
				'order' => 'DESC',
				'number' => false,
				'category' => array(),
				//'select' => 'all'
			);

			$args = wp_parse_args( $args, $defaults );

			if ( 'posts' === $post_type ) {
				$page_query = $this->get_posts_by_post_type( 'dt_gallery', $this->get_att( 'posts' ) );
				
			} else {
				$category_terms = presscore_sanitize_explode_string( $this->get_att( 'category' ) );
				$category_field = ( is_numeric( $category_terms[0] ) ? 'term_id' : 'slug' );

				$page_query = $this->get_posts_by_taxonomy( 'dt_gallery', 'dt_gallery_category', $category_terms, $category_field );
			}

			//$page_query = $this->get_posts_by_terms( $args );

			$media_items = array(0);
			if ( $page_query->have_posts() ) {
				$media_items = array();

				foreach ( $page_query->posts as $gallery ) {
					$gallery_media = get_post_meta( $gallery->ID, '_dt_album_media_items', true );

					if ( is_array( $gallery_media ) ) {
						$media_items = array_merge( $media_items, $gallery_media );
					}
				}
			}

			$media_items = array_unique( $media_items );
			$media_args = array(
				'post_type' => 'attachment',
				'post_mime_type' => 'image',
				'post_status' => 'inherit',
				'post__in' => $media_items,
				'orderby' => 'date',
				'order' => 'DESC',
				'suppress_filters'  => false,
			);
			$pagination_mode = $this->get_att( 'loading_mode' );
			$posts_per_page = $this->get_posts_per_page( $pagination_mode );

			if ( $args['number'] ) {
				$media_args['posts_per_page'] = $posts_per_page ;
			}
			if ( 'standard' === $pagination_mode ) {
				$media_args['paged'] = dt_get_paged_var();
			}

			return new WP_Query( $media_args );
		}

}

add_shortcode( 'dt_gallery_photos_masonry', array( new My_Shortcode_Override(), 'shortcode' ) );

}, 99 );