PHP-CS-Fixer fixes

clickat.php

@@ -16,7 +16,7 @@ function hook_clickat_render_linklist($data)
         '/([^\S]+)@([\w]+)@([\w_\-\.]+)/' => '\1<a href="https://\3/@\2">&commat;\2</a>',
         '/([^\S]+)@([\w]+)/'              => '\1<a href="https://x.com/\2">&commat;\2</a>'
     );
-    foreach ($data['links'] as &$value) {
+    foreach ($data['links'] as $value) {
         if (strpos($value['description'], '@') !== false) {
             foreach ($patterns as $nic => $link) {
                 $value['description'] = preg_replace($nic, $link, $value['description']);