Fix extrusion surface properties and snapping

src/scene/convert/acis_kernel.rs

@@ -24,7 +24,7 @@ pub fn tessellate_sat(
     color: [f32; 4],
     facet_res: f64,
     chordal_deflection: Option<f64>,
-    isolines: usize,
+    isolines: [usize; 2],
     planar_isolines: bool,
 ) -> Option<MeshLodSet> {
     let (bodies, loss) = lift(document);
@@ -115,7 +115,7 @@ pub fn tessellate_sat(
             max_angle,
             source_fit * placement_scale,
         )
-        .with_isolines(isolines)
+        .with_uv_isolines(isolines[0], isolines[1])
         .with_planar_isolines(planar_isolines);
         if let Some(deflection) = chordal_deflection {
             tolerance = tolerance.with_chordal_deflection(deflection);