fix(metrics,logs): Don't attach span_id if no active span
#7856
| Job | Run time |
|---|---|
| 2m 31s | |
| 4m 6s | |
| 2m 52s | |
| 1m 58s | |
| 3m 41s | |
| 2m 6s | |
| 4m 22s | |
| 4s | |
| 21m 40s |
span_id if no active span
#7856
| Job | Run time |
|---|---|
| 2m 31s | |
| 4m 6s | |
| 2m 52s | |
| 1m 58s | |
| 3m 41s | |
| 2m 6s | |
| 4m 22s | |
| 4s | |
| 21m 40s |