The Orlando Magic squandered a 24-point lead at home on Friday and are on the verge of joining an undesirable list of teams that have squandered a 3-1 series lead if they fail to pull off an upset at the Detroit Pistons in Sunday’s Game 7. The 2002-03 Orlando Magic are already on that list, ironically having squandered that edge against Detroit, so Orlando is looking to avoid becoming the third team to appear twice, joining the L.A. Clippers and Denver Nuggets. Their task will be complicated by the news that standout forward Franz Wagner has been ruled out for the deciding game with the calf strain suffered in the fourth quarter of Orlando’s Game 4 victory. The Magic could also join the prestigious club of No. 8 seeds that have gotten past a No.…