preventing empty groups from being broken on reordering
preventing empty groups from being broken on reordering

mainakibui/dkobo,jomolinare/dkobo,jomolinare/dkobo,mainakibui/dkobo,kobotoolbox/dkobo,kobotoolbox/dkobo,onaio/dkobo,onaio/dkobo,mainakibui/dkobo,kobotoolbox/dkobo,onaio/dkobo,kobotoolbox/dkobo,onaio/dkobo,mainakibui/dkobo,jomolinare/dkobo,jomolinare/dkobo