[broken schema] fix the group_mapping function in case where some standard group isn't found: we currently loop for ever, boring the user by asking ever and ever the same question...
sync_schema_props_perms('state_of')
sync_schema_props_perms('transition_of')
for etype in ('State', 'BaseTransition', 'Transition', 'WorkflowTransition'):
sync_schema_props_perms((etype, 'name', 'String'))