EDIT

ref #6169 first implementation of delete operations

ref #6562 presenters can handle events from own view & solving listSelect update problem

ref #6169 RelatedEntityListSelect (ToOneRelatedEntityField) edit and select working, add blocked by #6673

ref #6169 UserHelper checking permissions:

• UserHelper as SpringComponent which selfregisters in the VaadinSession
• disabling fields in PersonField of User has not sufficient permissions

ref #6169 updating modified names and typedesignations in view

ref #6169 basic TaxonName popup editor

ref #6169 better name for IdAndString class: EntityReference

• also deleting an example class

ref #6169 RegistrationItemButtonGroups: making names and typeDesignations clickable

ref #6169 hiding the Registration edit button from non curators

ref #6169 harmonizing the check if user is curator