Complete hatch creation and editing workflow

src/scene/preview.rs

@@ -162,6 +162,8 @@ impl Scene {
             fill_plane_boundary: None,
             boundary_exterior: None,
             boundary_sources: None,
+            boundary_paths: None,
+            style: acadrust::entities::HatchStyleType::Normal,
             pattern: HatchPattern::Solid,
             name: "AREA_PREVIEW".into(),
             color: [0.0; 4],