message: Send the widgetId as part of all toWidget requests
  Addresses part of
diff: @@ -44,6 +44,8 @@ export default class WidgetMessaging {
  }
  messageToWidget(action) {
  + action.widgetId = this.widgetId; // Required to be sent for all outbound requests
  +
  return this.toWidget.exec(action, this.target).then((data) => {
  // Check for errors and reject if found
  if (data.response === undefined) { // null is valid
  