Only update avatars when in a game.

src/gui/qt/gamelobbydialog/gamelobbydialogimpl.cpp

@@ -460,6 +460,8 @@ void gameLobbyDialogImpl::addConnectedPlayer(unsigned playerId, QString playerNa
 	}
 
 	checkPlayerQuantity();
+
+	if (inGame)
 		refreshConnectedPlayerAvatars();
 }
 
@@ -474,6 +476,8 @@ void gameLobbyDialogImpl::updatePlayer(unsigned playerId, QString newPlayerName)
 		}
 		++it;
 	}
+
+	if (inGame)
 		refreshConnectedPlayerAvatars();
 }