Declaring Actions in-place results in the shortcuts not working

import QtQuick 2.9
import QtQuick.Controls 2.3

import App 1.0

ApplicationWindow {
    width: 800
    height: 800
    visible: true

    Action {
        id: fooAction
        shortcut: "1"
        onTriggered: print("top-level MenuItem action triggered")
    }

    menuBar: MenuBar {
        Menu {
            title: "Menu"

            MenuItem {
                text: "Foo"
//                action: fooAction
                action: Action {
                    id: barAction
                    shortcut: "2"
                    // never triggered
                    onTriggered: print("in-place MenuItem action triggered")
                }
            }
        }
    }
}