DataView\Contact: Add missing filter columns

refs #8613

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

@@ -8,7 +8,6 @@ namespace Icinga\Module\Monitoring\DataView;
  */
 class Contact extends DataView
 {
-
     /**
      * Retrieve columns provided by this view
      *
@@ -17,7 +16,6 @@ class Contact extends DataView
     public function getColumns()
     {
         return array(
-            'contact',
             'contact_name',
             'contact_alias_name',
             'contact_email_address',
@@ -43,9 +41,7 @@ class Contact extends DataView
             'host_name',
             'service_object_id',
             'service_host_name',
-            'service_description',
-            'service',
-            'host',
+            'service_description'
         );
     }
 
@@ -62,4 +58,9 @@ class Contact extends DataView
             )
         );
     }
+
+    public function getFilterColumns()
+    {
+        return array('contact', 'alias', 'email', 'host', 'service');
+    }
 }