Administration: `additional_classes` is not a function.

Correct usage of `additional_classes` array parameter as if it were a function. Clearly, I'm getting tired and missing things. So many little changes. Follow up to [56573].

Props joedolson.
See #57791.
Built from https://develop.svn.wordpress.org/trunk@56590


git-svn-id: http://core.svn.wordpress.org/trunk@56102 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/upload.php

@@ -249,7 +249,7 @@ if ( 'grid' === $mode ) {
 		wp_admin_notice(
 			$js_required_message,
 			array(
-				additional_classes( 'error', 'hide-if-js' ),
+				'additional_classes' => array( 'error', 'hide-if-js' ),
 			)
 		);
 		?>

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.4-alpha-56589';
+$wp_version = '6.4-alpha-56590';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.