Changes to List Model Endpoints

removed the optional property detail/items/ctx from the response with the 422 status

removed the optional property detail/items/input from the response with the 422 status

removed the optional property model_endpoints/items/deployment_state/anyOf[subschema #1: ModelEndpointDeploymentState]/forwarder_max_concurrency from the response with the 200 status

removed the optional property model_endpoints/items/queue_message_timeout_seconds from the response with the 200 status

removed the optional property model_endpoints/items/task_expires_seconds from the response with the 200 status