Переопределяем hitTest у кастомной кнопки на UITabBar

				
					override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
        if clipsToBounds || isHidden || alpha == 0 {
            return nil
        }
        
        for subView in subviews.reversed() {
            let subPoint = subView.convert(point, from: self)
            if let result = subView.hitTest(subPoint, with: event) {
                return result
            }
        }
        
        return nil
    }