EDIT

fix #8069 removing all message hub related code from the Registration UI:

• Buttons
• Views & Components
• Spring configuration

ref #7977 registration items show inReferences of sections as citation

using CachingUserHelper also with RegistrationItemNameAndTypeButtons to speed up registration workingsets

ref #7785 using CdmTransientEntityAndUuidCacher to promote using the CachingCdmUserHelper

ref #7785 preliminary commit

ref #7622 persisting new registrations only when typeDesignations have been added

ref #7550 replacing the selfregisration of the VaadinUserHelper to the vaadin session by a UserHelperAccess bean

ref #7552 adapting cdm-vaadin to TypedEntityReference now being in other package

ref #7550 moving the actual CdmUserHelper to cdmlib and making it available in cdm-vaadin by extending the UserHelper class and interface hierarchy

ref #7361 creating new icon 'create-new' & introducing ButtonFactory for harmonization of button creation