openai: pass the context when contructing the event from stream choices

Pass the full context instead of the deprecated trace_id, span_id and
trace_flags.

Author: xrmx

instrumentation/elastic-opentelemetry-instrumentation-openai/src/opentelemetry/instrumentation/openai/helpers.py

@@ -386,9 +386,7 @@ def _send_logs_from_stream_choices(
         event_name=EVENT_GEN_AI_CHOICE,
         body=body,
         attributes={**attributes, "event.name": EVENT_GEN_AI_CHOICE},
-        trace_id=ctx.trace_id,
-        span_id=ctx.span_id,
-        trace_flags=ctx.trace_flags,
+        context=ctx,
     )
     logger.emit(log)