Fix seeking in NowPlaying to adjust for chapter start time

ios/App/Shared/player/AudioPlayer.swift

@@ -668,7 +668,14 @@ class AudioPlayer: NSObject {
                 return .noSuchContent
             }
             
-            self?.seek(event.positionTime, from: "remote")
+            // Adjust seek time if chapter track is being used
+            var seekTime = event.positionTime
+            if PlayerSettings.main().chapterTrack {
+                if let session = self?.getPlaybackSession(), let currentChapter = session.getCurrentChapter() {
+                    seekTime += currentChapter.start
+                }
+            }
+            self?.seek(seekTime, from: "remote")
             return .success
         }