fix: use new Grape Entity model for overseer
fix: use new Grape Entity model for overseer

jakerenzella/doubtfire-api,doubtfire-lms/doubtfire-api,jakerenzella/doubtfire-api,jakerenzella/doubtfire-api,doubtfire-lms/doubtfire-api,doubtfire-lms/doubtfire-api,doubtfire-lms/doubtfire-api,jakerenzella/doubtfire-api,doubtfire-lms/doubtfire-api,jakerenzella/doubtfire-api,doubtfire-lms/doubtfire-api,jakerenzella/doubtfire-api,doubtfire-lms/doubtfire-api,jakerenzella/doubtfire-api