[Non-qmlsc] `State.when` evaluation fails when an object is bound

import QtQuick 2.15
import QtQuick.Window 2.15

Window {
    id: win

    width: 640
    height: 480
    visible: true
    title: "Base State"

    property var obj: null

    Rectangle {
        id: redRect
        width: 100
        height: 100
        color: "red"
        visible: win.obj
    }

    Item {
        states: [
            State {
                id: otherState
                name: "other"
                when: win.obj
                PropertyChanges {
                    target: win
                    title: "Other State"
                }
            }
        ]
    }

    // Report variable values, before and after creating object
    function report() {
        console.log("win.obj:", win.obj)
        console.log("redRect.visible:", redRect.visible)
        console.log("otherState.when:", otherState.when)
        console.log("win.title:", win.title, '\n')
    }

    // Initial report
    Component.onCompleted: win.report()

    Timer {
        interval: 1000
        running: true
        repeat: false
        onTriggered: {
            win.obj = Qt.createQmlObject("import QtQml 2.15\nQtObject {}",
                win, "myDynamicSnippet"
            )
            // Final report
            win.report()
        }
    }
}