Fix http return code for POST node workflow
Fix http return code for POST node workflow

Should be 201, not 200

lanchongyizu/on-http,keedya/on-http,larry-dean/on-http,lanchongyizu/on-http,RackHD/on-http,larry-dean/on-http,keedya/on-http,keedya/on-http,lanchongyizu/on-http,larry-dean/on-http,larry-dean/on-http,lanchongyizu/on-http,keedya/on-http,RackHD/on-http,RackHD/on-http,RackHD/on-http