re-run rector

Author: samsonasik

system/Helpers/text_helper.php

@@ -310,7 +310,7 @@ function convert_accented_characters(string $str): string
         if (! is_array($arrayFrom)) {
             $config = new ForeignCharacters();
 
-            if (empty($config->characterList) || ! is_array($config->characterList)) {
+            if ($config->characterList === [] || ! is_array($config->characterList)) {
                 $arrayFrom = [];
                 $arrayTo   = [];