Fixed issue #16454: Sometimes, question_order is assigned from survey_id

When deleting a question, the order of questions in the group were reassigned by calling updateQuestionOrder, but the survey ID was passed as starting position.

application/models/Question.php

@@ -428,7 +428,7 @@ public function delete()
         $this->removeFromLastVisited();
 
         if (parent::delete()) {
-            Question::model()->updateQuestionOrder($this->gid, $this->sid);
+            Question::model()->updateQuestionOrder($this->gid);
             return true;
         }
         return false;