fix: Qt.labs.folderlistmodel is missing

src/importdummy_wasm.qml

@@ -22,11 +22,13 @@ import QtQuick.Studio.EventSimulator
 import QtQuick.Studio.EventSystem
 import QtQuick.Studio.LogicHelper
 import QtQuick.Studio.MultiText
+import QtQuick.Studio.Utils
 
 import QtQuickUltralite.Extras
 import QtQuickUltralite.Layers
 
 import FlowView
+import Qt.labs.folderlistmodel
 
 ApplicationWindow {
     visible: true