Automatic merge from submit-queue (batch tested with PRs 62231, 44495, 62199). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Make priority rest mapper handle partial discovery results

If the delegate restmapper returns partial results, let the priority restmapper find a prioritized entry and propagate the original error

```release-note
NONE
```