Fix live test follow-up issues

src/app/dashboard/profil/_components/contact-form.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { useTransition } from "react";
+import { useRouter } from "next/navigation";
 import { Loader2, Save } from "lucide-react";
 import { toast } from "sonner";
 
@@ -19,6 +20,7 @@ type ContactFormProps = {
 };
 
 export function ContactForm({ contact }: ContactFormProps) {
+  const router = useRouter();
   const [isPending, startTransition] = useTransition();
 
   function handleSubmit(formData: FormData) {
@@ -36,6 +38,7 @@ export function ContactForm({ contact }: ContactFormProps) {
       }
 
       toast.success("Kontaktdaten gespeichert.");
+      router.refresh();
     });
   }