Use a closure for the navigation entry, to speed up webdav and ajax calls

appinfo/app.php

@@ -27,13 +27,15 @@ $app = new Application();
 $c = $app->getContainer();
 
 // add an navigation entry
-$navigationEntry = array(
-	'id' => $c->getAppName(),
-	'order' => 1,
-	'name' => $c->query('ActivityL10N')->t('Activity'),
-	'href' => $c->query('URLGenerator')->linkToRoute('activity.Activities.showList'),
-	'icon' => $c->query('URLGenerator')->imagePath('activity', 'activity.svg'),
-);
+$navigationEntry = function () use ($c) {
+	return [
+		'id' => $c->getAppName(),
+		'order' => 1,
+		'name' => $c->query('ActivityL10N')->t('Activity'),
+		'href' => $c->query('URLGenerator')->linkToRoute('activity.Activities.showList'),
+		'icon' => $c->query('URLGenerator')->imagePath('activity', 'activity.svg'),
+	];
+};
 $c->getServer()->getNavigationManager()->add($navigationEntry);
 
 // register the hooks for filesystem operations. All other events from other apps has to be send via the public api