EDIT

ref #7010 Enable multi selection in uses view

ref #7010 Adapt uses view handlers for multiple selection

ref #7010 Disable multi selection for all tree viewers (temporarily)

ref #6907, #6931 Add "expand" item to factual data part and uses part

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

ref #6931 Migrate dnd for uses view

ref #6931 migrate uses view