Always output left side join key for inner join

[feilong-liu]

Description

Fix #25170

We have queries which originally OOM and succeeds after this change.

Motivation and Context

#25170

Impact

We have queries which originally OOM and succeeds after this change.

Test Plan

Unit tests

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Release Notes

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== RELEASE NOTES ==

General Changes
* Fix optimizer so that always output join key from left side for inner join