Prioritize results from encrypted protocols in cache

### Prerequisites

- [X] I have checked the [Wiki](https://github.com/AdguardTeam/AdGuardHome/wiki) and [Discussions](https://github.com/AdguardTeam/AdGuardHome/discussions) and found no answer

- [X] I have searched other issues and found no duplicates

- [X] I want to request a feature or enhancement and not ask a question

### Description

If you don’t cache UDP53, then the first request can get the fastest result, and the second query can use doh to cache the result. This is fast and secure.