datafusion-proto with `NestedLoopJoinExec` fails

### Describe the bug

This problem was found in Ballista's test: https://github.com/apache/arrow-ballista/actions/runs/5463474289/jobs/9944717531?pr=834

### To Reproduce

datafusion = "27.0.0"

See: https://github.com/apache/arrow-ballista/actions/runs/5463474289/jobs/9944717531?pr=834

### Expected behavior

_No response_

### Additional context

_No response_