showMaximized() does showFullScreen() on secondary screen on Windows 10 even if the taskbar is shown (frameless window)

import QtQuick 2.12
import QtQuick.Controls 2.3
import QtQuick.Layouts 1.3
import QtQuick.Window 2.3

Window {
    id: window
    visible: true
    flags: Qt.FramelessWindowHint
    width: 640
    height: 480

    function toggleMaximized() {
        if (window.visibility === Window.Maximized) {
            window.showNormal();
        } else {
            window.showMaximized();
        }
    }

    Page {
        anchors.fill: parent
        header: ToolBar {
            Item {
                anchors.fill: parent
                TapHandler {
                    onTapped: if (tapCount === 2) toggleMaximized()
                    gesturePolicy: TapHandler.DragThreshold
                }
                DragHandler {
                    grabPermissions: TapHandler.CanTakeOverFromAnything
                    onActiveChanged: if (active) { window.startSystemMove(); }
                }
                RowLayout {
                    anchors.left: parent.left
                    anchors.right: parent.right
                    spacing: 3
                    Layout.fillWidth: true
					Item { Layout.fillWidth: true }
					ToolButton {
						text: "�"
						onClicked: window.showMinimized();
					}
					ToolButton {
						text: window.visibility === Window.Maximized ? "�" : "�" 
						onClicked: window.toggleMaximized()
					}
					ToolButton {
						text: "�"
						onClicked: window.close()
					}
                }
            }
        }
    }
}