Merged in feat/sw-3197-add-url-to-path (pull request #2577)

feat(SW-3197): Add required middleware and url to path in partner-sas

* Add url to path and required middleware


Approved-by: Matilda Landström

apps/partner-sas/app/[lang]/middleware-error/404/page.tsx

@@ -0,0 +1,4 @@
+export default function NotFoundPage() {
+  // eslint-disable-next-line formatjs/no-literal-string-in-jsx
+  return <div>Not found, forgot lang in url?</div>
+}