Fix Social SDK leaving lobby

Author: thiagola92

docs/discord-social-sdk/development-guides/managing-lobbies.mdx

@@ -93,9 +93,9 @@ To remove a user from a lobby, use the [`Client::LeaveLobby`] function. Only lob
 
 ```cpp
 // Leaving a lobby from the client
-client->LeaveLobby(01234567890, [](discordpp::ClientResult result, uint64_t lobbyId) {
+client->LeaveLobby(01234567890, [](discordpp::ClientResult result) {
   if(result.Successful()) {
-    std::cout << "🎮 Left lobby successfully! Lobby Id: " << lobbyId << std::endl;
+    std::cout << "🎮 Left lobby successfully! Lobby Id: 01234567890\n";
   } else {
     std::cerr << "❌ Leaving lobby failed\n";
   }