message: Add a warning for widget developers when their postMessage is missing a requestId
diff: @@ -116,6 +116,12 @@ export default class FromWidgetPostMessageApi {
  return; // don't log this - debugging APIs like to spam postMessage which floods the log otherwise
  }
  + // Although the requestId is required, we don't use it. We'll be nice and process the message
  + // if the property is missing, but with a warning for widget developers.
  + if (!event.data.requestId) {
  + console.warn("fromWidget action '" + event.data.action + "' does not have a requestId");
  + }
  +
  const action = event.data.action;
  const widgetId = event.data.widgetId;
  if (action === 'content_loaded') {
  