Add collection parent to role serializer
Add collection parent to role serializer

benjaoming/kolibri,indirectlylit/kolibri,lyw07/kolibri,benjaoming/kolibri,indirectlylit/kolibri,jonboiser/kolibri,christianmemije/kolibri,DXCanas/kolibri,jonboiser/kolibri,benjaoming/kolibri,learningequality/kolibri,DXCanas/kolibri,indirectlylit/kolibri,DXCanas/kolibri,benjaoming/kolibri,christianmemije/kolibri,christianmemije/kolibri,learningequality/kolibri,mrpau/kolibri,lyw07/kolibri,lyw07/kolibri,indirectlylit/kolibri,mrpau/kolibri,lyw07/kolibri,jonboiser/kolibri,christianmemije/kolibri,mrpau/kolibri,learningequality/kolibri,DXCanas/kolibri,learningequality/kolibri,mrpau/kolibri,jonboiser/kolibri