Todd Spangler NY Digital EditorEpic Games is making live music performances a regular part of “Fortnite.” But because of its current legal fight with Apple, the concerts on the game’s Party Royale island will not be available on iOS or Mac devices.The new “Fortnite” Spotlight concert series will kick off with singer-rapper-songwriter Dominic Fike, who will perform songs from his LP debut, “What Could Possibly Go Wrong,” including “Chicken Tenders.” Fike’s performance will be broadcast live