fix(metrics,logs): Don't attach span_id if no active span
#8388
| Job | Run time |
|---|---|
| 6m 30s | |
| 3m 6s | |
| 7m 16s | |
| 8m 4s | |
| 5m 15s | |
| 9m 53s | |
| 5m 11s | |
| 6m 42s | |
| 5m 46s | |
| 5m 17s | |
| 4s | |
| 1h 3m 4s |
span_id if no active span
#8388
| Job | Run time |
|---|---|
| 6m 30s | |
| 3m 6s | |
| 7m 16s | |
| 8m 4s | |
| 5m 15s | |
| 9m 53s | |
| 5m 11s | |
| 6m 42s | |
| 5m 46s | |
| 5m 17s | |
| 4s | |
| 1h 3m 4s |