Rollup merge of #136314 - compiler-errors:const-deref-adj, r=fee1-dead

Use proper type when applying deref adjustment in const

When applying a deref adjustment to some type `Wrap<T>` which derefs to `T`, we were checking that `T: ~const Deref`, not `Wrap<T>: ~const Deref` like we should have been.

r? project-const-traits

Fixes #136273
Fixes #135210 -- I just deleted the test since the regression test is uninteresting

Author: matthiaskrgr