Monitoring/Controller: Move property compactView to base controller class

modules/monitoring/application/controllers/ListController.php

@@ -63,16 +63,6 @@ class Monitoring_ListController extends MonitoringController
      * @var Backend
      */
     protected $backend;
-    /**
-     * Compact layout name
-     *
-     * Set to a string containing the compact layout name to use when
-     * 'compact' is set as the layout parameter, otherwise null
-     *
-     * @var string
-     */
-    protected $compactView;
-
     /**
      * Retrieve backend and hooks for this controller
      *

modules/monitoring/library/Monitoring/Controller.php

@@ -38,6 +38,15 @@ use Icinga\Web\Controller\ActionController;
  */
 class Controller extends ActionController
 {
+    /**
+     * Compact layout name
+     *
+     * Set to a string containing the compact layout name to use when
+     * 'compact' is set as the layout parameter, otherwise null
+     *
+     * @var string
+     */
+    protected $compactView;
 
     /**
      * Retrieve services from either given parameters or request