Change: [Network] Update server's NetworkServerGameInfo only when needed

Split the updating in a "static" version that only needs to be called when a new map is loaded or some settings are changed, and a "dynamic" version that updates everything that changes regularly such as the current game date or the number of spectators.

src/settings.cpp

@@ -1416,6 +1416,7 @@ static bool UpdateServerPassword(int32 p1)
 		_settings_client.network.server_password[0] = '\0';
 	}
 
+	NetworkServerUpdateGameInfo();
 	return true;
 }
 
@@ -1430,6 +1431,7 @@ static bool UpdateRconPassword(int32 p1)
 
 static bool UpdateClientConfigValues(int32 p1)
 {
+	NetworkServerUpdateGameInfo();
 	if (_network_server) NetworkServerSendConfigUpdate();
 
 	return true;