EDIT

fix #7399 Fix multiRepException when adding taxon nodes

• used remoteLoad() of CdmEntitySession

ref #6318 Replace LF and CR from description text with space (" ")

ref #6913 Remove remaining handlers

ref #6913 Remove edit new taxon handler

ref #6913 Remove open handler

ref #6913 Remove polytomous handler

Fix potential NPE

ref #6913 Remove bulk editor

ref #6913 Remove key editor

ref #6913 Remove graph key editor