Merge branch 'CURA-7440-pynest2d_for_arrange' of https://github.com/Ultimaker/Cura into CURA-7440-pynest2d_for_arrange

cura/Scene/ConvexHullDecorator.py

@@ -269,7 +269,7 @@ class ConvexHullDecorator(SceneNodeDecorator):
             if mesh is None:
                 return Polygon([])  # Node has no mesh data, so just return an empty Polygon.
 
-            world_transform = self._node.getWorldTransformation(copy = False)
+            world_transform = self._node.getWorldTransformation(copy = True)
 
             # Check the cache
             if mesh is self._2d_convex_hull_mesh and world_transform == self._2d_convex_hull_mesh_world_transform: