fix(logic): Improve validation of MSG_SET_RALLY_POINT in GameLogicDispatch#2441

xezon merged 2 commits intoTheSuperHackers:mainTheSuperHackers/GeneralsGameCode:mainfrom

stephanmeesters:fix/gamelogicdispatch-setrallypointstephanmeesters/GeneralsGameCode:fix/gamelogicdispatch-setrallypointCopy head branch name to clipboard