Minor bugfix on JobAdCreate

src/pages/admin/JobAdCreatePage.tsx

@@ -15,7 +15,8 @@ const widgets = {
 
 const buildSchema = (title: string) => {
   const date = new Date();
-  const monthFromNow = new Date().setDate(date.getDate() + 30)
+  const monthFromNow = new Date();
+  monthFromNow.setDate(date.getDate() + 30);
 
   const schema = {
     title,
@@ -35,7 +36,7 @@ const buildSchema = (title: string) => {
       autohide_at: {
         type: "string",
         title: "Autohide time",
-        default: monthFromNow,
+        default: monthFromNow.toISOString(),
       },
       finnish_section_divider: {
         title: "Finnish",
@@ -116,7 +117,7 @@ const JobAdCreatePage: React.FC<JobAdCreatePageProps> = ({ match: { params: { id
 
   const [formData, setFormData] = useState<JobAd>(null);
   useEffect(() => {
-    const jobId = Number(id);
+    const jobId = id && Number(id);
     if (jobId !== undefined) {
       getJobAd(jobId, true)
         .then(res => setFormData(res))