[Backport 2.x] Fix Discover Embeddable not showing _source when all other column are removed #11235
| Job | Run time |
|---|---|
| 17m 57s | |
| 20m 31s | |
| 18m 39s | |
| 17m 24s | |
| 19m 27s | |
| 32m 7s | |
| 19m 49s | |
| 19m 18s | |
| 19m 47s | |
| 0s | |
| 3h 4m 59s |
| Job | Run time |
|---|---|
| 17m 57s | |
| 20m 31s | |
| 18m 39s | |
| 17m 24s | |
| 19m 27s | |
| 32m 7s | |
| 19m 49s | |
| 19m 18s | |
| 19m 47s | |
| 0s | |
| 3h 4m 59s |