Don't fail to display closed orders if I didn't buy on it

src/order/ShowOrder.js

@@ -182,7 +182,11 @@ class ShowOrder extends React.Component {
       let deadline_week = new Date(order.deadline);
       deadline_week.setDate(deadline_week.getDate() + 7);
       if (deadline_week > Date.now()) {
-        if (order.arrived && !this.state.transaction.collected) {
+        if (
+          order.arrived &&
+          this.state.transaction !== null &&
+          !this.state.transaction.collected
+        ) {
           collect_button = (
             <Sender
               url={"/api/order/" + id + "/collected"}