http: fix keep-alive socket reuse race in requestOnFinish
#72285
| Job | Run time |
|---|---|
| 1h 12m 45s | |
| 1h 12m 45s |
requestOnFinish
#72285
| Job | Run time |
|---|---|
| 1h 12m 45s | |
| 1h 12m 45s |