Fix QR code creation

Change-Id: Ib6bbd1be6d4dca1f617043c3c2338924b2321ea3

src/components/SaveQrButton.js

@@ -0,0 +1,32 @@
+import React, { useCallback } from "react";
+import { SaveButton, useCreate, useRedirect, useNotify } from "react-admin";
+
+const SaveQrButton = props => {
+  const [create] = useCreate('users');
+  const redirectTo = useRedirect();
+  const notify = useNotify();
+  const { basePath } = props;
+
+  const handleSave = useCallback(
+    (values, redirect) => {
+      create(
+        {
+          payload: { data: { ...values } },
+        },
+        {
+          onSuccess: ({ data: newRecord }) => {
+            notify('ra.notification.created', 'info', {
+              smart_count: 1,
+            });
+            redirectTo(redirect, basePath, newRecord.id, { password: values.password, ...newRecord });
+          },
+        }
+      );
+    },
+    [create, notify, redirectTo, basePath]
+  );
+
+  return <SaveButton {...props} onSave={handleSave} />;
+};
+
+export default SaveQrButton;