EDIT

ref #6806 Allow adding multiple nodes for the same feature

ref #6806 Add "Add child feature" to feature tree editor context menu

ref #6786 Fix dirty state when editing feature tree title cache

ref #6806 Fix double invocation SelectionDialog

ref #7086 Add default selection listener to feature tree composite

fix multiple representation by removing conversation of selection dialog

ref #6925 Set conversation and cdmEntitySession to null for dispose

ref #6925 Open "editors" in editor area

ref #7010 Disable multi selection for all tree viewers (temporarily)

ref #6694 Fix potential NPE