fix: ignore subgroups without link when checking for permission (#10690)

app/javascript/dashboard/components-next/sidebar/SidebarGroup.vue

@@ -40,7 +40,12 @@ const hasChildren = computed(
 
 const accessibleItems = computed(() => {
   if (!hasChildren.value) return [];
-  return props.children.filter(child => isAllowed(child.to));
+  return props.children.filter(child => {
+    // If a item has no link, it means it's just a subgroup header
+    // So we don't need to check for permissions here, because there's nothing to
+    // access here anyway
+    return child.to && isAllowed(child.to);
+  });
 });
 
 const hasAccessibleChildren = computed(() => {

app/javascript/dashboard/routes/dashboard/helpcenter/helpcenter.routes.js

@@ -116,6 +116,15 @@ export default {
     {
       path: getPortalRoute(),
       component: HelpCenterPageRouteView,
+      redirect: to => {
+        return {
+          name: 'portals_index',
+          params: {
+            navigationPath: 'portals_articles_index',
+            ...to.params,
+          },
+        };
+      },
       children: [...portalRoutes],
     },
   ],