Do not crash on block gap in displaced_leaves_after_finalizing
#3780
| Job | Run time |
|---|---|
| 2s | |
| 9s | |
| 7m 29s | |
| 30m 26s | |
| 38m 6s |
displaced_leaves_after_finalizing
#3780
| Job | Run time |
|---|---|
| 2s | |
| 9s | |
| 7m 29s | |
| 30m 26s | |
| 38m 6s |