Pull request: filtering: restore rewrite behavior with other question types

Updates #4008.

Squashed commit of the following:

commit babbc29331cfc2603c0c3b0987f5ba926690ec3e
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Dec 24 18:46:20 2021 +0300

    filtering: restore rewrite behavior with other question types

CHANGELOG.md

@@ -29,6 +29,8 @@ and this project adheres to
 
 ### Fixed
 
+- Legacy DNS rewrites responding from upstream when a request other than `A` or
+  `AAAA` is received ([#4008]).
 - Panic on port availability check during installation ([#3987]).
 
 ### Removed
@@ -37,6 +39,7 @@ and this project adheres to
 
 [#3057]: https://github.com/AdguardTeam/AdGuardHome/issues/3057
 [#3987]: https://github.com/AdguardTeam/AdGuardHome/issues/3987
+[#4008]: https://github.com/AdguardTeam/AdGuardHome/issues/4008