im_layout: read the attr parm

The wrangle read attrib, so part was 0 for every point.

Co-Authored-By: Claude Fable 5.1 <[email protected]>

 otls/sop_lsgalante.im_layout.1.0.hdalc | Bin 17014 -> 17019 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/otls/sop_lsgalante.im_layout.1.0.hdalc b/otls/sop_lsgalante.im_layout.1.0.hdalc
index 3d6c9d3..bf4ba59 100644
Binary files a/otls/sop_lsgalante.im_layout.1.0.hdalc and b/otls/sop_lsgalante.im_layout.1.0.hdalc differ