pkp#10188 Convert Notes to an Eloquent model (pkp#10268)

* pkp#10188 Convert Notes to an Eloquent model

* pkp#10188 review feedback for converting Notes to Eloquent

* pkp#10188 further review feedback for converting Notes to Eloquent

classes/submission/DAO.php

@@ -305,4 +305,4 @@ public function deleteById(int $id): int
 
         return parent::deleteById($id);
     }
-}
+}