Fix initial commitment_signed for splicing
#19899
| Job | Run time |
|---|---|
| 5m 31s | |
| 1h 36m 11s | |
| 1h 7m 58s | |
| 2h 25m 46s | |
| 2h 55m 6s | |
| 56m 6s | |
| 4m 46s | |
| 56m 53s | |
| 4m 31s | |
| 5m 25s | |
| 6m 8s | |
| 16m 17s | |
| 14m 13s | |
| 4m 20s | |
| 5m 7s | |
| 2m 33s | |
| 42m 56s | |
| 14s | |
| 2m 23s | |
| 11h 52m 24s |