Event Handlers Don't Update

I'm using 2.3.0 and noticed that the code doesn't account for an event handler prop changing. So, for instance, if I have a component with:

const MyComponent = ({ someCallback }) => (
   <Plot
     data={data}
     onRelayout={someCallback}
   />
);

The someCallback that is called is the first one. Here's a Codepen reproducing:

https://codepen.io/gonzofish/pen/OevOjx

To see it in action, just click autoscale on the chart and you'll see the message change to "Callback 1 Reporting In". If you change the callback by clicking "Change to 2" and then clicking autoscale again, the message doesn't change, despite the callback being changed.

I believe the issues stems from syncEventHandlers only account for two modes: (1) the handler isn't already set but has been provided as a prop and (2) the handler was set but the prop is not longer there. That starts at:

https://github.com/plotly/react-plotly.js/blob/master/src/factory.js#L212

Comienza en src/factory.js alrededor de la línea 212, donde syncEventHandlers gestiona las props de eventos del gráfico, y usa la reproducción enlazada en CodePen para observar el cambio del callback. Se considera terminado cuando cambiar la prop onRelayout hace que el siguiente evento de autoscale invoque el nuevo callback en lugar del original.