Warn about index.mapper.dynamic usage instead of erroring
#24982
| Job | Run time |
|---|---|
| 11m 29s | |
| 20m 25s | |
| 17m 21s | |
| 5m 19s | |
| 19m 24s | |
| 16m 34s | |
| 10m 20s | |
| 18m 34s | |
| 11m 12s | |
| 2h 10m 38s |