fix: select the requested track after queue end

zyrarbot/music/music_player.py

@@ -394,7 +394,7 @@ class MusicPlayer:
         index = state.index if state.index != -1 else 0
 
         if not advance:
-            if 0 <= index < len(state.queue) and state.current is not None:
+            if 0 <= index < len(state.queue):
                 return index
             return len(state.queue) - 1