Prepare release 3.2.0

aleksis/core/frontend/components/app/SideNav.vue

@@ -144,7 +144,7 @@ export default {
   },
   methods: {
     comparator(array, value) {
-      return array && array.includes(value);
+      return Array.isArray(array) && array.includes(value);
     },
   },
 };