Show an object's instance only if there are multiple instances

refs #9945

modules/monitoring/application/views/scripts/show/components/command.phtml

@@ -5,10 +5,12 @@ $command = array_shift($parts);
 
 ?>
 
+<?php if ($showInstance): ?>
 <tr class="newsection">
     <th><?= $this->translate('Instance'); ?></th>
     <td><?= $this->escape($object->instance_name); ?></td>
 </tr>
+<?php endif ?>
 <tr class="newsection">
     <th><?= $this->translate('Command'); ?></th>
     <td>

modules/monitoring/library/Monitoring/Web/Controller/MonitoredObjectController.php

@@ -91,6 +91,7 @@ abstract class MonitoredObjectController extends Controller
             $delDowntimeForm->handleRequest();
             $this->view->delDowntimeForm = $delDowntimeForm;
         }
+        $this->view->showInstance = $this->backend->select()->from('instance')->count() > 1;
         $this->view->object = $this->object;
     }