Allow empty JSONFields
Allow empty JSONFields

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