EDIT

fix #7358 stopping navigation and showing dialog when modal dialogs are open

ref #7547 ref #7554 list entry buttons enablement uses sharedState.readonly and ignores datasource readonly

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

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

fixing NPE in ToManyRelatedEntitiesListSelect

readonly notification in editors

fix #7547 ToManyRelatedEntitiesListSelect buttons adapt to component readonlystate

ref #7361 fixing update problem of editOrCreate button

avoiding occational NPE in updateEditOrCreateButton()

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