message: Got crumbs from next props
  Not sure it matters but if it does then next props is right
diff: @@ -35,8 +35,7 @@ class Scene extends React.Component<SceneProps, SceneState> {
  var replace = oldCrumbs.length === crumb && oldState !== state;
  return !replace ? {navigationEvent} : null;
  }
  - shouldComponentUpdate({rest}: SceneProps, {navigationEvent}: SceneState) {
  - var {crumb, navigationEvent: {stateNavigator}} = this.props;
  + shouldComponentUpdate({crumb, rest, navigationEvent: {stateNavigator}}: SceneProps, {navigationEvent}: SceneState) {
  var {crumbs} = stateNavigator.stateContext;
  var freezableOrCurrent = rest && (!!React.Suspense || crumbs.length === crumb);
  return freezableOrCurrent || navigationEvent !== this.state.navigationEvent || (this.fluentPeekable() && !this.timer);
  