EDIT

smaller changes

Fix possible NPE

minor

close conversation in taxonnavigator in dispose

fix white label in referenceDetailElement

fix potential multiple representation exceptions in distribution editor, session dispose did not work

fix #7011: fragment.xmi missed to check in

fix #7011: open the cdm authorities editor in editor area and fix that it is grayed

ref #7073: try to avoid widget is disposed exception

fix #6392: fix remaining bulk editor migration issues