Fix the order deadline handling

* Closes: #13

src/order/OrderEditor.js

@@ -28,7 +28,7 @@ function genBody(name, description, deadline, picks) {
     return { code: p.code, price: p.price };
   });
   const deadlineDate = new Date(deadline);
-  return { name, description, deadlineDate, products };
+  return { name, description, deadline: deadlineDate, products };
 }
 
 function OrderEditor(props) {
@@ -37,7 +37,9 @@ function OrderEditor(props) {
     props.order ? props.order.description : ""
   );
   const [deadline, _setDeadline] = useState(
-    props.order ? props.order.deadline : date2string(daysAfterNow(3))
+    props.order
+      ? date2string(new Date(props.order.deadline))
+      : date2string(daysAfterNow(3))
   );
   const [picks, _setPicks] = useState(
     props.order ? order2picks(props.order) : []