fix(logic): Rename thisPlayer and add nullptr check to it in GameLogic::logicMessageDispatcher#2383

Caball009 wants to merge 2 commits intoTheSuperHackers:mainTheSuperHackers/GeneralsGameCode:mainfrom

Caball009:fix_thisPlayer_logicMessageDispatcherCaball009/GeneralsGameCode:fix_thisPlayer_logicMessageDispatcherCopy head branch name to clipboard