Implement IPv6 support for server and direct connect

OpenRA.Mods.Common/Widgets/Logic/Editor/NewMapLogic.cs

@@ -71,8 +71,7 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 					// It's not clear why this is needed here, but not in the other places that load maps.
 					Game.RunAfterTick(() =>
 					{
-						ConnectionLogic.Connect(System.Net.IPAddress.Loopback.ToString(),
-							Game.CreateLocalServer(uid), "",
+						ConnectionLogic.Connect(Game.CreateLocalServer(uid), "",
 							() => Game.LoadEditor(uid),
 							() => { Game.CloseServer(); onExit(); });
 					});