fix: validation for header

components/Header/MainMenu/NavigationMenu/index.tsx

@@ -1,4 +1,4 @@
-import { serverClient } from "@/lib/trpc/server"
+import { getHeader } from "@/lib/trpc/memoizedRequests"
 
 import NavigationMenuList from "./NavigationMenuList"
 
@@ -7,9 +7,13 @@ import type { NavigationMenuProps } from "@/types/components/header/navigationMe
 export default async function NavigationMenu({
   isMobile,
 }: NavigationMenuProps) {
-  const headerData = await serverClient().contentstack.base.header()
+  const header = await getHeader()
 
-  const filteredItems = headerData?.menuItems.filter(
+  if (!header) {
+    return null
+  }
+
+  const filteredItems = header.data.menuItems.filter(
     ({ link, submenu }) => submenu.length || link
   )