Not working properly with Tabbar about keyboardlayoutguide HOT 2 OPEN

@objc
private func keyboardWillChangeFrame(_ notification: Notification) {
    guard var height = notification.keyboardHeight else { return }

    // When tab bar is presented we need to include the tab bar height when adjusting the keyboard height
    let navigationController = UIApplication.shared.keyWindow?.rootViewController as? UINavigationController
    let tabBarController = navigationController?.viewControllers.first as? UITabBarController
    let tabBarHeight = tabBarController?.tabBar.frame.height ?? 0

    if #available(iOS 11.0, *), height > 0 {
        let safeAreaBottom = owningView?.safeAreaInsets.bottom ?? 0
        height -= safeAreaBottom + tabBarHeight
    }
    heightConstraint?.constant = height
    animate(notification)
    Keyboard.shared.currentHeight = height
}