Merge in DNS/adguard-home from 3914-fix-client-name to master
Closes#3914.
Squashed commit of the following:
commit 6bd06d277ec5e64fc548245eee75edd8da67fa2c
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date: Fri Dec 3 17:13:15 2021 +0300
dnsforward: fix lack of client name