EDIT

ref #6925 Set conversation and cdmEntitySession to null for dispose

ref #6925 Dispose conversation and entity session when closing editors

• use session from editor input if provided

ref #6925 Open distribution editor in editor area

ref #6913 Remove IEditorInput dependency from checklist editor input

ref #6909 Evaluate preferences for open distribution editor

ref #6925 Inject context into operations to allow sync/async execution

ref #6925 Rename utility getter methods

ref #6159: disable descriptionElementDetails for distribution editor

ref #6159: minor

ref #6159: details of selected distr are shown for distr. editor