Fix help route in navigation

Signed-off-by: Julius Härtl <jus@bitgrid.net>

lib/private/NavigationManager.php

@@ -199,7 +199,7 @@ class NavigationManager implements INavigationManager {
 				'type' => 'settings',
 				'id' => 'help',
 				'order' => 5,
-				'href' => $this->urlGenerator->linkToRoute('settings_help'),
+				'href' => $this->urlGenerator->linkToRoute('settings.Help.help'),
 				'name' => $l->t('Help'),
 				'icon' => $this->urlGenerator->imagePath('settings', 'help.svg'),
 			]);