wireguard/home: Fix peer-to-peer connection

Public clients also need to have all peers configured, so they can
connect to them.

modules/wireguard/home.nix

@@ -67,7 +67,7 @@ in
             endpoint = "${hostname}.sbruder.de:51820";
           }))
           (lib.filterAttrs
-            (n: v: n != config.networking.hostName && (enableServer || v.public))
+            (n: v: n != config.networking.hostName && (enableServer || v.public || isPublic))
             peers));
     };