fixes CC-566 if we are adding a host that already exists in the wizard allow the user to continue
fixes CC-566 if we are adding a host that already exists in the wizard allow the user to continue

control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced,control-center/serviced