Merge pull request #887 from atoghyani/ios-sleep-timer-reset-after-resume

Adding a check so chapter sleep timer is set after resume only when a…

ios/App/Shared/player/AudioPlayerSleepTimer.swift

@@ -116,9 +116,10 @@ extension AudioPlayer {
     // MARK: - Internal helpers
     
     internal func handleTrackChangeForChapterSleepTimer() {
-        // If no sleep timer is set, this does nothing
+        if self.isChapterSleepTimerSet() {
             self.setChapterSleepTimer(stopAt: self.sleepTimeChapterStopAt)
         }
+    }
     
     private func decrementSleepTimerIfRunning() {
         if var sleepTimeRemaining = self.sleepTimeRemaining {