Quick (Popup Drawer) Rotation problem !

import QtQuick 2.10
import QtQuick.Controls 2.3

ApplicationWindow
{
    visible: true
    width  : 640
    height : 480
    title  : qsTr("Rotation")
    id     : root

    contentOrientation: rotateMain ? Qt.LandscapeOrientation : Qt.PortraitOrientation

    property bool rotateMain  : false

    Rectangle
    {
        anchors.fill: parent
        color: "pink"
        rotation: rotateMain ? 90 : 0

        Popup
        {
            id: popup

            x: 80
            y: 60
            width: 320
            height: 240
            background: Rectangle
            {
                color: "blue"
            }
        }

        Row
        {
            width: parent.width
            height: parent.height * 0.1
            anchors.bottom: parent.bottom

            Button
            {
                id: rotateMainButton
                text: "Rotate Main"
                onClicked:
                {
                    popup.modal= true    //note
                    popup.open()
                    rotateMain = !rotateMain
                }
            }

            Button
            {
                id : leftShow
                text: "showLeft"
                onClicked:
                {
                    leftDrawer.open();
                }
            }
            Button
            {
                id : rightShow
                text: "showRight"
                onClicked:
                {
                    rightDrawer.open();
                }
            }
        }


        //-----------------------------------left
        Drawer
        {
            id    : leftDrawer
            width : parent.width * 0.33
            height: parent.height
            edge  : Qt.LeftEdge
            contentItem: Item
            {
                anchors.fill: parent
                anchors.margins: 6

                ListModel
                {
                    id: listModel
                    ListElement { name: "one"      ; sn : 1 }
                    ListElement { name: "two"      ; sn : 2 }
                }

                Column
                {
                    anchors.fill: parent
                    ListView
                    {
                        id: listView
                        width     : parent.width
                        height    : parent.height
                        model     : listModel
                        delegate  : del
                    }
                }

                Component
                {
                    id:del
                    Button
                    {
                        width     : listView.width
                        height    : listView.height * 0.1
                        text      : name
                    }
                }
            }
        }
        //-----------------------------------right
        Drawer
        {
            id         : rightDrawer
            width      : parent.width * 0.33
            height     : parent.height
            edge       : Qt.RightEdge
            contentItem: Item
            {
                anchors.fill: parent
                anchors.margins: 6

                ListModel
                {
                    id: rightModel
                    ListElement { name: "1" ; sn : 1 }
                    ListElement { name: "2" ; sn : 2 }
                    ListElement { name: "3" ; sn : 3 }
                    ListElement { name: "4" ; sn : 4 }
                }
                Column
                {
                    anchors.fill: parent
                    ListView
                    {
                        id        : rightView
                        width     : parent.width
                        height    : parent.height
                        model     : rightModel
                        delegate  : rightdel
                    }
                }

                Component
                {
                    id:rightdel
                    Button
                    {
                        width : rightView.width
                        height: rightView.height * 0.1
                        text  : name
                    }
                }
            }
        }
    }
}