Should be called when the user's application had an AppPush Delivered to it.
Wunderkind.getInstance().trackAppPushDelivered(Map notificationPayload)Wunderkind.shared.trackAppPushDelivered(appPush: notification)Wunderkind.trackAppPushDelivered(Map<string, string>: notification)Wunderkind.shared.trackAppPushDelivered(Map<string, dynamic>: notification)