fix: purchase url for list shortcode broken

Author: dkjensen

templates/shortcodes/list.php

@@ -12,7 +12,7 @@
 	if ( ! empty( $args['data'] ) ) {
 		foreach ( $args['data'] as $object ) {
 			$purchase_product = wp_zoom_get_purchase_product( $object['id'] );
-			$purchase_url     = $purchase_product ? get_permalink( $purchase_products ) : null;
+			$purchase_url     = $purchase_product ? get_permalink( $purchase_product ) : null;
 
 			wp_zoom_load_template(
 				'shortcodes/list-single.php',