Fix clocks for resumed track

app/musicmuster.py

@@ -1399,6 +1399,12 @@ class Window(QMainWindow, Ui_MainWindow):
         )
         self.play_next(self.previous_track_position)
 
+        # Adjust track info so that clocks and graph are correct.
+        # Easiest way is to fake the start time.
+        if self.current_track.start_time and self.current_track.duration:
+            elapsed_ms = self.current_track.duration * self.previous_track_position
+            self.current_track.start_time -= timedelta(milliseconds=elapsed_ms)
+
         # If a track was playing when we were called, get details to
         # set it as the next track
         if playing_track: