Calculate menu width on touch start
Calculate menu width on touch start

Fixes #831
rockhouse/lounge,realies/lounge,libertysoft3/lounge-autoconnect,rockhouse/lounge,MaxLeiter/lounge,metsjeesus/lounge,metsjeesus/lounge,MaxLeiter/lounge,sebastiencs/lounge,realies/lounge,libertysoft3/lounge-autoconnect,libertysoft3/lounge-autoconnect,MaxLeiter/lounge,williamboman/lounge,realies/lounge,sebastiencs/lounge,metsjeesus/lounge,sebastiencs/lounge,thelounge/lounge,thelounge/lounge,williamboman/lounge,FryDay/lounge,ScoutLink/lounge,FryDay/lounge,FryDay/lounge,ScoutLink/lounge,rockhouse/lounge,williamboman/lounge,ScoutLink/lounge