EDIT

ref #7010 Adapt taxon navigator handlers for multiple selection

ref #6909 Fix enabling of experimental handlers

ref #6925 Inject context into operations to allow sync/async execution

ref #6598 Fix menu item visibility

ref #6909 Add missing @Execute annotation

ref #6909 Hide disabled menu items

ref #6909 Implement menu item/handler visibility

ref #6909 migrate taxon navigator context menu