fix(metrics,logs): Don't attach span_id if no active span
#8388
| Job | Run time |
|---|---|
| 7m 12s | |
| 5m 50s | |
| 4m 9s | |
| 4m 44s | |
| 5m 19s | |
| 4m 54s | |
| 5m 12s | |
| 3m 53s | |
| 7m 20s | |
| 8m 8s | |
| 2s | |
| 56m 43s |
span_id if no active span
#8388
| Job | Run time |
|---|---|
| 7m 12s | |
| 5m 50s | |
| 4m 9s | |
| 4m 44s | |
| 5m 19s | |
| 4m 54s | |
| 5m 12s | |
| 3m 53s | |
| 7m 20s | |
| 8m 8s | |
| 2s | |
| 56m 43s |