Fix recent regression where util.shape.get_vertices returns a read-only array, so you can't edit in place (e.g. for offsets)

src/bonsai/bonsai/bim/import_ifc.py

@@ -1040,7 +1040,7 @@ class IfcImporter:
             if cartesian_point_offset is False:
                 mesh["has_cartesian_point_offset"] = False
             elif cartesian_point_offset is not None:
-                verts -= cartesian_point_offset
+                verts = verts - cartesian_point_offset
 
                 mesh["has_cartesian_point_offset"] = True
                 mesh["cartesian_point_offset"] = (
@@ -1048,9 +1048,8 @@ class IfcImporter:
                 )
             elif verts.size and tool.Loader.is_point_far_away(verts[0], is_meters=True):
                 # Shift geometry close to the origin based off that first vert it found
-                verts_array = np.array(geometry.verts)
                 offset = verts[0]
-                verts -= offset
+                verts = verts - offset
 
                 mesh["has_cartesian_point_offset"] = True
                 mesh["cartesian_point_offset"] = f"{offset[0]},{offset[1]},{offset[2]}"

src/bonsai/bonsai/tool/geometry.py

@@ -1759,7 +1759,7 @@ class Geometry(bonsai.core.tool.Geometry):
             geometry = tool.Loader.create_generic_shape(item)
             verts = ifcopenshell.util.shape.get_vertices(geometry)
             if (cartesian_point_offset := cls.get_cartesian_point_offset(rep_obj)) is not None:
-                verts -= cartesian_point_offset
+                verts = verts - cartesian_point_offset
             tool.Loader.convert_geometry_to_mesh(geometry, obj.data, verts=verts)
 
             if ios_materials := list(obj.data["ios_materials"]):