Apple is working on a way to make sure customers visiting an Apple Store’s Genius Bar for support can get their issue resolved in one appointment, even if their visit goes over the allotted time, 9to5Mac reports. The current booking system provides 10 minutes for an iOS device appointment or 15 minutes for a Mac, and if a problem can’t be solved in that amount of time the customer is left to book another followup appointment so the technician…