This adjusts Expressions.rename_table_references() to only update alias
when needed.
Regression in 83fcfc9ec8610540948815e127101f1206562ead.
Co-authored-by: Simon Charette <charettes@users.noreply.github.com>
Backport of 86971c40909430a798e4e55b140004c4b1fb02ff from main.