message: Added ref to scene div container
diff: import * as React from 'react';
  class SceneProxy extends React.Component<{crumb: number}> {
  + private sceneEl: React.RefObject<HTMLDivElement>;
  + constructor(props) {
  + super(props);
  + this.sceneEl = React.createRef();
  + }
  + componentDidMount() {
  + }
  render() {
  return (
  - <div />
  + <div ref={this.sceneEl} />
  );
  }
  }
  