Bugfix: duplicated input type=hidden name=dir in the search form

Hi, I found a bug in search form section. There is generated <input type=”hidden” name”dir”…> twice. Once in the foreach (where any value can be substituted) and then it’s declared again straight, correctly with int validation.

My supposed patch is:

--- shortcode.php.orig  2022-01-25 20:21:45.294511850 +0100
+++ shortcode.php       2022-01-25 20:20:46.398349119 +0100
@@ -384,7 +384,7 @@
         echo "<form method='get' action='" . $jump_location . "'>";
         foreach($search_get_url as $key_name => $value)
         {
-            if($key_name == 'name_directory_startswith' || is_array($key_name) || is_array($value))
+            if(in_array($key_name, ['name_directory_startswith', 'dir']) || is_array($key_name) || is_array($value))
             {
                 continue;
             }