Skip Newton motion vectors for Franka cloth

Author: mmichelis

source/isaaclab_tasks/test/rendering_test_utils.py

@@ -1799,6 +1799,8 @@ def rendering_test_franka_cloth(
     data_type: str,
     comparison_scores: list[dict],
 ) -> None:
+    _skip_if_newton_motion_vectors(physics_backend, data_type)
+
     if renderer == "ovrtx_renderer" and data_type == "instance_segmentation":
         pytest.skip("instance_segmentation crashes with the OVRTX renderer on franka_cloth (NVBUG#6463802).")