Pull request 2207: 6882 Extend private rDNS

Updates #6882.

Squashed commit of the following:

commit 80fa6d62c67bdea6c4be6d8bcd066a0fb027a42a
Merge: c0fdf1a3c 762ef4a6d
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Apr 22 18:53:18 2024 +0300

    Merge branch 'master' into 6882-extend-private-rdns

commit c0fdf1a3c56990a1d86850c1f723769361b6133d
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Apr 18 18:19:36 2024 +0300

    client: imp ui text

commit f07a509d3d5b58f3fd83de304f6bfcb5c8c278e5
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Apr 18 16:22:11 2024 +0300

    all: imp docs, upd proxy

commit 0d33079a96b70d10d363a8c32be789963e75438c
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Apr 18 12:48:50 2024 +0300

    all: upd proxy

internal/home/dns.go

@@ -241,7 +241,7 @@ func newServerConfig(
 		TLSv12Roots:            Context.tlsRoots,
 		ConfigModified:         onConfigModified,
 		HTTPRegister:           httpReg,
-		LocalPTRResolvers:      dnsConf.LocalPTRResolvers,
+		LocalPTRResolvers:      dnsConf.PrivateRDNSResolvers,
 		UseDNS64:               dnsConf.UseDNS64,
 		DNS64Prefixes:          dnsConf.DNS64Prefixes,
 		UsePrivateRDNS:         dnsConf.UsePrivateRDNS,