ref #7887 Use DTOs in term editor
ref #3276:move fact should be displayed only for facts
fix #3276: avoid exception when moving unpersisted facts
ref #3535: only ask once for saving
ref #3535: add check for dirty target when move description or description elements
ref #3535: update both name editors after moving description oder description elements
ref #3535: source taxon should not be selectable for move description or description elements
allow multiple selection for moving taxonnodes
ref #7010 Adapt descriptive view handlers for multiple selection
some smaller changes for drag & drop of factual data
ref #2380: implement usage of Dto for taxon navigator
fix multiple representation by removing conversation of selection dialog
ref #6595 Remove exception from editor opening
ref #6595 code refactoring
ref #6925 Inject context into operations to allow sync/async execution
ref #6595 refactor selection handling to migrated name editor
Merge branch 'develop' into nameEditorE4
ref #6907 migrate remaining handlers