Try to eliminate occasional short pause at start of track

Made playing the track the last thing in play_next()

app/musicmuster.py

@@ -1122,6 +1122,18 @@ class Window(QMainWindow, Ui_MainWindow):
         if not track_sequence.now.path:
             log.error("No path for next track")
             return
+
+        # Notify model
+        self.active_proxy_model().current_track_started()
+
+        # Note that track is now playing
+        self.playing = True
+
+        # Disable play next controls
+        self.disable_play_next_controls()
+
+        # Update headers
+        self.update_headers()
         track_sequence.now.start()
         self.music.play(track_sequence.now.path, position)
 
@@ -1135,21 +1147,25 @@ class Window(QMainWindow, Ui_MainWindow):
                 volume = self.music.player.audio_get_volume()
                 if volume < Config.VOLUME_VLC_DEFAULT:
                     self.music.set_volume()
-                    log.warning(f"Reset from {volume=}")
+                    log.debug(f"Reset from {volume=}")
                     break
             sleep(0.1)
 
-        # Notify model
+        # Try making playing the last thing we do here to see whether
-        self.active_proxy_model().current_track_started()
+        # the occasional short pause at the start of the track can be
+        # eliminated.
 
-        # Note that track is now playing
+        # # Notify model
-        self.playing = True
+        # self.active_proxy_model().current_track_started()
 
-        # Disable play next controls
+        # # Note that track is now playing
-        self.disable_play_next_controls()
+        # self.playing = True
 
-        # Update headers
+        # # Disable play next controls
-        self.update_headers()
+        # self.disable_play_next_controls()
+
+        # # Update headers
+        # self.update_headers()
 
     def preview(self) -> None:
         """