Add permission check to seating plan parent item

aleksis/apps/stoelindeling/frontend/index.js

@@ -4,6 +4,7 @@ export default
       inMenu: true,
       titleKey: "stoelindeling.menu_title",
       icon: "mdi-view-list-outline",
+      permission: "stoelindeling.view_seatingplans_rule",
     },
     props: {
       byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,