fix: Music does not play, if volume was 0 on game loads

scripts/SettingsMenu.gd

@@ -40,10 +40,13 @@ func _on_volume_slider_changed(value, setting_key):
 
 	if bus_map.has(setting_key):
 		var bus_index = AudioServer.get_bus_index(bus_map[setting_key])
-		if bus_index >= 0:
+		if bus_index < 0:
+			return
+		if setting_key == "music_volume":
+			AudioManager.update_music_volume(value)
+		else:
 			AudioServer.set_bus_volume_db(bus_index, linear_to_db(value))
 
-
 func _input(event):
 	if event.is_action_pressed("ui_cancel") or event.is_action_pressed("ui_menu_toggle"):
 		print("ESC pressed in settings")