NotificationQuery: Provide case-insensitive filter column `contact'

refs #8613

modules/monitoring/library/Monitoring/Backend/Ido/Query/NotificationQuery.php

@@ -19,6 +19,7 @@ class NotificationQuery extends IdoQuery
             'service_description'           => 'o.name2'
         ),
         'contact' => array(
+            'contact'                       => 'c_o.name1 COLLATE latin1_general_ci',
             'notification_contact_name'     => 'c_o.name1',
             'contact_object_id'             => 'c_o.object_id'
         ),

modules/monitoring/library/Monitoring/DataView/Notification.php

@@ -37,6 +37,6 @@ class Notification extends DataView
 
     public function getFilterColumns()
     {
-        return array('host', 'service');
+        return array('host', 'service', 'contact');
     }
 }