MDL-27550 workshop: display the feedback for the submission reviewer when the workshop is closed

mod/workshop/view.php

@@ -540,6 +540,10 @@ case workshop::PHASE_CLOSED:
             echo $output->box_start('generalbox assessment-summary' . $class);
             echo $output->render($workshop->prepare_submission_summary($submission, $shownames));
             echo $output->box_end();
+
+            if (strlen(trim($assessment->feedbackreviewer)) > 0) {
+                echo $output->render(new workshop_feedback_reviewer($assessment));
+            }
         }
         print_collapsible_region_end();
     }