* Add expression visitor to locate a scalar subquery. Handles finding deeper subqueries better than original code.
Also handle the case where the expression can be regarded as scalar (i.e. has a TOP 1 and projects only one field). In that case we rewrite the projections so that we take out any previously added projections as it is clear we are not needing it higher up in the SQL
* Lift scalar subqueries out of order by and into a projection
* Add back in missed verifier for skip without order by in split query
* [GitHub Actions] Update green tests.
* Scalar expressions within a function or case expression, within the ORDER BY also need to be lifted
* [GitHub Actions] Update green tests.
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* Fix auto commit for pull requests by using multiple workflows.
* Cleanup green tests after #162.
* [GitHub Actions] Update green tests.
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