fix(metrics,logs): Don't attach span_id if no active span
#8388
| Job | Run time |
|---|---|
| 9m 35s | |
| 3m 2s | |
| 3m 9s | |
| 4m 9s | |
| 5m 1s | |
| 8m 1s | |
| 5m 11s | |
| 6m 37s | |
| 4m 23s | |
| 7m 24s | |
| 2s | |
| 56m 34s |
span_id if no active span
#8388
| Job | Run time |
|---|---|
| 9m 35s | |
| 3m 2s | |
| 3m 9s | |
| 4m 9s | |
| 5m 1s | |
| 8m 1s | |
| 5m 11s | |
| 6m 37s | |
| 4m 23s | |
| 7m 24s | |
| 2s | |
| 56m 34s |