addons: object select_set syntax update

add_advanced_objects_menu/add_mesh_aggregate.py

add_advanced_objects_menu/circle_array.py

add_advanced_objects_menu/copy2.py

add_advanced_objects_menu/cubester.py

add_advanced_objects_menu/make_struts.py

add_advanced_objects_menu/rope_alpha.py

add_advanced_objects_panels/delaunay_voronoi.py

add_advanced_objects_panels/drop_to_ground.py

add_advanced_objects_panels/object_laplace_lightning.py

add_advanced_objects_panels/unfold_transition.py

add_curve_extra_objects/add_curve_spirofit_bouncespline.py

add_mesh_extra_objects/Wallfactory.py

add_mesh_extra_objects/add_empty_as_parent.py

add_mesh_extra_objects/add_mesh_beam_builder.py

add_mesh_extra_objects/add_mesh_round_brilliant.py

add_mesh_extra_objects/add_mesh_triangles.py

add_mesh_extra_objects/geodesic_domes/vefm_271.py

animation_add_corrective_shape_key.py

archimesh/achm_books_maker.py

archimesh/achm_column_maker.py