cherry-pick feat(stream): enable background ddl for StreamNow, StreamSource (#19099) to branch release-1.10
#3591
| Job | Run time |
|---|---|
| 7s | |
| 7s |
StreamNow, StreamSource (#19099) to branch release-1.10
#3591
| Job | Run time |
|---|---|
| 7s | |
| 7s |