iOS manual keyboard dismissal

SwiftUI_keyboard_dismiss_uiapplication_extension.swift

extension UIApplication {
    func addTapGestureRecognizer() {
        guard let window = windows.first else { return }
        let tapGesture = UITapGestureRecognizer(target: window, action: #selector(UIView.endEditing))
        tapGesture.cancelsTouchesInView = false
        tapGesture.delegate = self
        tapGesture.name = "MyTapGesture"
        window.addGestureRecognizer(tapGesture)
    }
 }