ref #2380: implement usage of Dto for taxon navigator
fix multiple representation by removing conversation of selection dialog
ref #6595 Preselect classification when moving factual data
ref #6925 Refactor NavigationUtil.isDirty()
ref #6598 refactore method signature for remote handlers
ref #6598 Fix menu item visibility
ref #6909 Implement canExecute() for remoting handler
ref #6909 Migrate remote handler