fix(helm): return when listing with no releases or nil
fix(helm): return when listing with no releases or nil

technosophos/deployment-manager,appscode/helm,SlickNik/helm,technosophos/k8s-helm,jascott1/helm,jascott1/helm,technosophos/deployment-manager,SlickNik/helm,technosophos/deployment-manager,technosophos/deployment-manager,technosophos/k8s-helm,appscode/helm,technosophos/deployment-manager