Fix incorrect manual revert in previous commit.

We need to use the matrix provided by the higher level export code, not
the worldspace matrix. In some engine versions (MOUL), this will be
subworld space instead of worldspace.

korman/exporter/physics.py

@@ -283,7 +283,7 @@ class PhysicsConverter:
                 physical.rot = utils.quaternion(mat.to_quaternion())
                 bmesh.ops.scale(mesh, vec=mat.to_scale(), verts=mesh.verts)
             else:
-                mesh.transform(bo.matrix_world)
+                mesh.transform(mat)
 
             result = bmesh.ops.convex_hull(mesh, input=mesh.verts, use_existing_faces=False)
             BMVert = bmesh.types.BMVert