entities held in CdmCache can not be modified
SpecimenTypeDesignationWorkingsetPopupEditor: Editing a Collection already associated with a Specimen via the edit button at the
ToOneRelatedEntityCombobox works as expected. But, the
ToOneRelatedEntityReloader will the old version of the changed Collection entity from the CdmCache.
The CdmCache must be capable of updating arbitrary beans which are already cached!