MainPage.qml

Page {
    id: page

    property bool stopthis: false

    Component.onCompleted: {

        DBase.inDBase();
        //populateList()

    }
    onStatusChanged: {

        console.log("status changed")
        if (!stopthis) {
            populateList()
        }

    }

//more stuff

 MenuItem {
                                        text: qsTr("Edit")
                                        onClicked: {
                                            console.log("going to edit", model.username)
                                            page.stopthis = true
}

}

Dialog.qml
Dialog {
    id: editdialog

    property var modelID

    acceptDestinationAction: PageStackAction.Pop
    acceptDestinationProperties : {"stopthis": false}

    onAccepted:{

        console.log("edited")
    }