bind: fix collision of binaries in outputs

Using outputsToInstall the intended behaviour of including host and dnsutils
when bind is installed can be implemented instead of using symlinks to fix
installing all outputs individually with nix-env.

Fixes #19761.

nixos/modules/services/networking/bind.nix

@@ -155,7 +155,7 @@ in
         chown ${bindUser} /var/run/named
       '';
 
-      script = "${pkgs.bind.bin}/sbin/named -u ${bindUser} ${optionalString cfg.ipv4Only "-4"} -c ${cfg.configFile} -f";
+      script = "${pkgs.bind.out}/sbin/named -u ${bindUser} ${optionalString cfg.ipv4Only "-4"} -c ${cfg.configFile} -f";
       unitConfig.Documentation = "man:named(8)";
     };
   };