fix computation of trampoline_scheduler's schedule sender
#2039
| Job | Run time |
|---|---|
| 22m 19s | |
| 6m 1s | |
| 8m 53s | |
| 5m 56s | |
| 10m 55s | |
| 30m 14s | |
| 5m 41s | |
| 4m 11s | |
| 4m 26s | |
| 4m 37s | |
| 3s | |
| 4s | |
| 7s | |
| 1h 43m 27s |