Auto merge of #140978 - davidtwco:deep-reject-in-match-norm-trait-ref, r=lcnr

trait_sel: deep reject `match_normalize_trait_ref`

Spotted during an in-person review of #137944 at RustWeek: `match_normalize_trait_ref` could be using `DeepRejectCtxt` to exit early as an optimisation for projection candidates, like is done with param candidates.

r? `@lcnr`
cc `@oli-obk`

Author: bors