[web] Add a <label> around choices on CheckBox and Radio form widgets
Allows clicking directly on the text rather than only on the widget.
Closes #7672774.
sync_schema_props_perms('cwuri')
helper = repo.system_source.dbhelper
cu = session.cnxset.cu
helper.set_null_allowed(cu, 'moved_entities', 'extid', 'VARCHAR(256)', False)
commit()