opt/optbuilder: support using table name as projection

[jseldess]

Jesse Seldess (jseldess) commented:

PR: cockroachdb/cockroach#64748

From release notes:

Using the table name as a projection now works, e.g., SELECT table_name FROM table_name or SELECT row_to_json(table_name) FROM table_name. [#64748][#64748] {% comment %}doc{% endcomment %}

Jira Issue: DOC-1401