fix(lobby): Prevent crash from buttonBack re-enabling on countdown completion#453

MrS-ibra wants to merge 1 commit intoGeneralsOnlineDevelopmentTeam:mainGeneralsOnlineDevelopmentTeam/GameClient:mainfrom

MrS-ibra:fix/countdown-back-button-crashMrS-ibra/GameClientGO:fix/countdown-back-button-crashCopy head branch name to clipboard