Regression: FileDialog.SaveFile fileMode doesn't work correctly in QML FileDialog

import QtQuick
import QtQuick.Controls
import QtQuick.Dialogs
    
ApplicationWindow {
    id: appWindow
    width: 1280
    height: 720
    visible: true
    title: qsTr("Save Dialogs")    
    Column {
        Label {
            text: "Open the dialog, and type the name of file that doesn't exist"
        }        Button {
            text: "Export"
            onClicked: {
                exportDialog.open()
            }
        }
        Label {
            id: outputLabel
        }
    }    
    FileDialog {
        id: exportDialog
        acceptLabel: "Export"
        title: "Export a QML Scene"
        fileMode: FileDialog.SaveFile // <-- Shouldn't this mean I can create a new file
        //defaultSuffix: ".qml" // <-- Uncomment to see just ".qml" as the output
        nameFilters: [ "QML (*.qml)"]
        onAccepted: {
            console.log("selectedFile: " + selectedFile)
            outputLabel.text = selectedFile // Shouldn't I get the URL of the file to create?
        }
    }
}