EDIT

ref #7706: add warning if media is referenced by more than one object

fix #7412 Allow editing supplemental data for DescriptiveDataSets

fix #7715 Show sources for descriptions in DetailsView

cleanup and better use of generics

cleanup

ref #7709 use id instead of uuid for CdmEntityCacheKey in ConversationalTransientEntityCacher

ref #7709 use CdmBase constructor instead of class and id

cleanup

Use title cache as label when protected

fix #7698 Fix class cast exception