set root view controller ios 13

static func redirectToMainNavRVC(currentVC: UIViewController){
        let appDelegate = UIApplication.shared.delegate as! AppDelegate
        let vc = UIStoryboard(name: appDelegate.storyBoardName, bundle: nil).instantiateViewController(withIdentifier: "MainNavigationViewController") as! MainNavigationViewController
    if #available(iOS 13.0, *){
        if let scene = UIApplication.shared.connectedScenes.first{
            guard let windowScene = (scene as? UIWindowScene) else { return }
            print(">>> windowScene: \(windowScene)")
            let window: UIWindow = UIWindow(frame: windowScene.coordinateSpace.bounds)
            window.windowScene = windowScene //Make sure to do this
            window.rootViewController = vc
            window.makeKeyAndVisible()
            appDelegate.window = window
        }
    } else {
        appDelegate.window?.rootViewController = vc
        appDelegate.window?.makeKeyAndVisible()
    }
}