When you go to the "Map Options..." settings in your Map Properties, is "Hide Battle.net Lobby" checked under the Publishing Options? That's probably doing it, as I think that only affects public games and not private.
Here's one for you:
I've been hearing about a lot of text strings and data that are said to be in the (WoL/HotS) Beta Editors. Are those files and data available in the non-Beta editions? If so, where can I find them? If not, how can I get those files?