ref #7010 Adapt taxon navigator handlers for multiple selection
allow multiple selection for moving taxonnodes
ref #2380: adapt menu for classification
ref #2380: implement usage of Dto for taxon navigator
improve name editor update for navigator operations
multiple selection for changeAcceptedTaxonAsSynonym and improve multiple selection in bulkeditor
fix multiple representation by removing conversation of selection dialog
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