EDIT

ref #6908 Migrate polytomous key list editor

• migrate some other parts and handlers

fix #6990 Migrate search result view

ref #6913 Remove e3 context menus and views

ref #6931 Migrate dnd for uses view

ref #6931 Fix class assignment in model fragment

fix NPE in taxonnode comparator

fix NPE in taxonnode comparator

ref #6925 Fix part initialisation for open handlers

Checklist editor changes

fix NPE in Distribution Editor