Union unnest will panic

[yuhao-su]

Describe the bug

The might be caused by project_row_id. It exist in BoundSelect but will be eliminate from output in BoundQuery

dev=> select unnest(Array[1,2,3]) union all select unnest(Array[1,2,3]);
 unnest 
--------
      1
      2
      3
      1
      2
      3
(6 rows)


dev=> select unnest(Array[1,2,3]) union all (select unnest(Array[1,2,3]));
ERROR:  Panicked when handling the request: assertion failed: Schema::all_type_eq(inputs.iter().map(|x| x.schema()))
This is a bug. We would appreciate a bug report at:
  https://github.com/risingwavelabs/risingwave/issues/new?labels=type%2Fbug&template=bug_report.yml
server closed the connection unexpectedly
        This probably means the server terminated abnormally
        before or while processing the request.
The connection to the server was lost. Attempting reset: Succeeded.

Error message/log

No response

To Reproduce

No response

Expected behavior

No response

How did you deploy RisingWave?

No response

The version of RisingWave

No response

Additional context

No response

[xxchan]

somehow similar to #17448. The handling of the hidden column has flaws/