Fix issue where duplicate expanded community entries could appear (close #6422)
Fix issue where duplicate expanded community entries could appear (close #6422)

openstreetmap/iD,kartta-labs/iD,digidem/iD,kartta-labs/iD,openstreetmap/iD,digidem/iD,morray/iD,morray/iD,openstreetmap/iD,kartta-labs/iD