Fix - Description for calculated columns in model metadata editing page is...

Fix - Description for calculated columns in model metadata editing page is incorrectly populated with description from other columns (#39851) (#39921)

* Fix metabase#34349

* Remove outdated comment

* Add repro for metabase#34349

* Add tag for issue 25884 and extract a constant

Co-authored-by: Kamil Mielnik <kamil@kamilmielnik.com>