fatxpool: proper handling of priorities when mempool is full
#15720
| Job | Run time |
|---|---|
| 39s | |
| 1m 29s | |
| 8m 5s | |
| 8m 4s | |
| 8m 27s | |
| 8m 3s | |
| 8m 10s | |
| 8m 4s | |
| 8m 10s | |
| 37s | |
| 8m 7s | |
| 5s | |
| 1s | |
| 1h 8m 1s |