homescreen: Fix stackBefore call

components/mobileshell/qml/components/StartupFeedback.qml

@@ -145,7 +145,7 @@ MouseArea { // use mousearea to ensure clicks don't go behind
                             }
                         }
                         // slight pause to give slower devices time to catch up when the item becomes visible
-                        PauseAnimation { duration: 50 }
+                        PauseAnimation { duration: 20 }
                         ParallelAnimation {
                             id: parallelAnim
                             property real animationDuration: PlasmaCore.Units.longDuration + PlasmaCore.Units.shortDuration

containments/homescreen/package/contents/ui/LauncherRepeater.qml

@@ -117,10 +117,10 @@ Repeater {
             if (!launcherDragManager.active && parent != parentFromLocation) {
                 parent = parentFromLocation;
                 if (model.applicationLocation === MobileShell.ApplicationListModel.Favorites) {
-                    plasmoid.nativeInterface.stackBefore(delegate, parentFromLocation.children[index]);
+                    MobileShell.HomeScreenUtils.stackBefore(delegate, parentFromLocation.children[index]);
 
                 } else if (model.applicationLocation === MobileShell.ApplicationListModel.Grid) {
-                    plasmoid.nativeInterface.stackBefore(delegate, parentFromLocation.children[Math.max(0, index - MobileShell.ApplicationListModel.favoriteCount)]);
+                    MobileShell.HomeScreenUtils.stackBefore(delegate, parentFromLocation.children[Math.max(0, index - MobileShell.ApplicationListModel.favoriteCount)]);
                 }
             }
         }