OTLP status.message is dropped by APM Server

[TyranVdmKingMakers]

traces.go calls status.Code() to derive event.outcome and transaction.result, but never calls status.Message().

Per the OTel spec, Description is a defined property of Status (setStatus(ERROR, description)).

Users setting an error description via the OTel API expect it to be mapped.

https://opentelemetry.io/docs/specs/otel/trace/api/#set-status