Should be called when the user opens an AppPush.
Wunderkind.getInstance().trackAppPushOpened(Map notificationPayload)Wunderkind.shared.trackAppPushOpened(appPush: notification)Wunderkind.trackAppPushOpened(Map<string, string>: notification)Wunderkind.shared.trackAppPushOpened(Map<string, dynamic>: notification)