[Fix-17710][Master] Fix master task dispatch failure by filtering out null map keys. #23266
| Job | Run time |
|---|---|
| 12s | |
| 12m 49s | |
| 7m 0s | |
| 4m 10s | |
| 4m 56s | |
| 3m 48s | |
| 4m 26s | |
| 6m 26s | |
| 5m 15s | |
| 5m 27s | |
| 4m 52s | |
| 4m 49s | |
| 6m 28s | |
| 6m 7s | |
| 9m 52s | |
| 3m 45s | |
| 3m 43s | |
| 8m 22s | |
| 5m 29s | |
| 4m 23s | |
| 5m 51s | |
| 4m 21s | |
| 2s | |
| 2h 2m 33s |