EDIT

Fix potential NPE when no session is active when opening specimen editor

fix #6795 Invoke selection event when setting focus to specimen editor

cleanup

ref #6762 Use FeatureTreeEditorComposite for all tree viewers

ref #6386 Save editor before another search

ref #6776 do not render specimen editor when conversation not active

ref #6596 Fix FieldUnit creation when linked with taxon selection

Fix potential NPE

ref #6596 Keep track of active "editor"

• Add IE4SavablePart to E4 parts that can be saved
• SaveHandler will recurse through selection providing parts to find savable parts that can be saved

Fix potential class cast exception during selection handling