improve function name to reflect that it does unscaling (to_unscaled_linesf)

src/libslic3r/GCode/SeamPlacer.cpp

@@ -1054,7 +1054,7 @@ void SeamPlacer::calculate_overhangs_and_layer_embedding(const PrintObject *po)
             [po, &layers](tbb::blocked_range<size_t> r) {
                 std::unique_ptr<PerimeterDistancer> prev_layer_distancer;
                 if (r.begin() > 0) { // previous layer exists
-                    prev_layer_distancer = std::make_unique<PerimeterDistancer>(to_linesf(po->layers()[r.begin() - 1]->lslices));
+                    prev_layer_distancer = std::make_unique<PerimeterDistancer>(to_unscaled_linesf(po->layers()[r.begin() - 1]->lslices));
                 }
 
                 for (size_t layer_idx = r.begin(); layer_idx < r.end(); ++layer_idx) {
@@ -1065,7 +1065,8 @@ void SeamPlacer::calculate_overhangs_and_layer_embedding(const PrintObject *po)
                         }
                     };
                     bool should_compute_layer_embedding = regions_with_perimeter > 1;
-                    std::unique_ptr<PerimeterDistancer> current_layer_distancer = std::make_unique<PerimeterDistancer>(to_linesf(po->layers()[layer_idx]->lslices));
+                    std::unique_ptr<PerimeterDistancer> current_layer_distancer        = std::make_unique<PerimeterDistancer>(
+                        to_unscaled_linesf(po->layers()[layer_idx]->lslices));
 
                     for (SeamCandidate &perimeter_point : layers[layer_idx].points) {
                         Vec2f point = Vec2f { perimeter_point.position.head<2>() };