Use global picking API

When gobal picking is available (Qt 6.2+), use that instead of toggling
models pickable properties.

Task-number: QDS-4978
Change-Id: Id2a501ae97955128874447fa8a3b8afab3d1f2c7
Reviewed-by: Tomi Korpipää <tomi.korpipaa@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

share/qtcreator/qml/qmlpuppet/mockfiles/qt6/ModelNodeView.qml

@@ -82,6 +82,7 @@ View3D {
 
     Model {
         id: model
+        readonly property bool _edit3dLocked: true // Make this non-pickable
         eulerRotation.y: 45
 
         source: sourceModel.source