message: narrower url parsing
diff: @@ -13,7 +13,7 @@ export default class Developer extends React.Component<{}, State> {
  constructor(props) {
  super(props);
  // we ask typescript to trust that we won't do array values as URL params
  - const urlParams = new URL(window.location.href).searchParams;
  + const urlParams = new URLSearchParams(window.location.search);
  this.state = {
  apiKey: localStorage.getItem('apiKey') || urlParams.get('apiKey') || undefined,
  clientId:
  