Fix that host / servicegroup bulk processing options affect objects not in said group (#1155)

fixes #1154
requires Icinga/ipl-web#263

Author: nilmerg

application/controllers/HostgroupController.php

@@ -118,7 +118,11 @@ public function indexAction(): Generator
         $this->addControl($limitControl);
         $this->addControl($viewModeSwitcher);
         $this->addControl($searchBar);
-        $continueWith = $this->createContinueWith(Links::hostsDetails(), $searchBar);
+        $continueWith = $this->createContinueWith(
+            Links::hostsDetails()
+                ->setFilter(Filter::equal('hostgroup.name', $hostgroup->name)),
+            $searchBar
+        );
 
         $this->addContent($hostList);
 

application/controllers/ServicegroupController.php

@@ -125,7 +125,11 @@ public function indexAction(): Generator
         $this->addControl($limitControl);
         $this->addControl($viewModeSwitcher);
         $this->addControl($searchBar);
-        $continueWith = $this->createContinueWith(Links::servicesDetails(), $searchBar);
+        $continueWith = $this->createContinueWith(
+            Links::servicesDetails()
+                ->setFilter(Filter::equal('servicegroup.name', $servicegroup->name)),
+            $searchBar
+        );
 
         $this->addContent($serviceList);