Model.eachTransformedAttribute not under test coverage / broken 3.28+

[runspired]

Recently discovered that this method was implemented incorrectly on ShimModelClass which is what we began handing out to adapters/serializers in 3.28. This means starting in 3.28+ transforms would not have been applied correctly during normalization.

I've fixed this on the typescript branch (thank you typescript for surfacing!) but we should port a fix to 3.28 / release and also add some tests.

[geneukum]

Hey @runspired, I don’t mind taking a look at this one. What is the name of the typescript branch?

[runspired]

@geneukum https://github.com/emberjs/data/pull/7957