new panel for model defaults
restructure simps and impls to one property group -> OACOllectSimpImpl
adapt collect_models and get_collected_models_as_printables to this changes
adapt construct_menu to new OACollectSimpImpl
adapt ui-panel and enteroamode-operator too
when calling collect models: differenciate between consinder only none-linked groups or only linked
deleted old commented section
implementing change variation