Make sid public, because its already used via #[\AllowDynamicProperties]

Author: srobotta

classes/feedback_section_form.php

@@ -40,7 +40,7 @@ class feedback_section_form extends \moodleform {
     public $context;
 
     /** @var int $sid The section id. */
-    protected $sid;
+    public $sid;
 
     /**
      * Form definition.