EDIT

ref #7322 hiding addTypeButton when user is not permitted to update the registration

ref #7269 improving layout of RegistrationMessagesPopup and harmonization of styles

ref #7269 basic implementation of the registration messaging UI

renaming RegistrationItemEditButtonGroup to RegistrationItemNameAndTypeButtons

renaming RegistationDTO.messages to validationProblems

fix #7247 TypeDesignationSetManager uses typedesignation itself as base entity for NameTypeDesignations

ref #7195 consistently displaying blocking registrations in list view and registration working set editor:

• RegistrationWorkingSetService method to load blocking registrations
• using ShowDetailsEvent to request presenters to show blocking registrations...

ref #7195 showing blocking registrations in RegistrationWorkingsetEditor

ref #7195 creating blocking relations and showing 'em in the listView

ref #7195 enabling and highlighting blockedBy button