Refactor: Server: Use ensure.isCircle in get-story
Refactor: Server: Use ensure.isCircle in get-story

secret-project/circle-blvd,secret-project/circle-blvd,myersg86/circle-blvd,ellipsonic/circle-blvd,secret-project/circle-blvd,secret-project/circle-blvd,myersg86/circle-blvd,holmwell/circle-blvd,myersg86/circle-blvd,holmwell/circle-blvd,holmwell/circle-blvd,ellipsonic/circle-blvd,myersg86/circle-blvd,ellipsonic/circle-blvd,holmwell/circle-blvd,ellipsonic/circle-blvd