Refactor all_objects_are_short

src/slic3r/GUI/Jobs/ArrangeJob.cpp

@@ -772,6 +772,7 @@ arrangement::ArrangeParams init_arrange_params(Plater *p)
     params.printable_height                    = print_config.printable_height.value;
     params.allow_rotations                     = settings.enable_rotation;
     params.nozzle_height                       = print.config().nozzle_height.value;
+    params.all_objects_are_short               = print.is_all_objects_are_short();
     params.align_center                        = print_config.best_object_pos.value;
     params.allow_multi_materials_on_same_plate = settings.allow_multi_materials_on_same_plate;
     params.avoid_extrusion_cali_region         = settings.avoid_extrusion_cali_region;