Fix missing ordered states in universal media player (#75099)

homeassistant/components/universal/media_player.py

@@ -69,11 +69,13 @@ from homeassistant.const import (
     SERVICE_VOLUME_MUTE,
     SERVICE_VOLUME_SET,
     SERVICE_VOLUME_UP,
+    STATE_BUFFERING,
     STATE_IDLE,
     STATE_OFF,
     STATE_ON,
     STATE_PAUSED,
     STATE_PLAYING,
+    STATE_STANDBY,
     STATE_UNAVAILABLE,
     STATE_UNKNOWN,
 )
@@ -101,8 +103,10 @@ STATES_ORDER = [
     STATE_UNAVAILABLE,
     STATE_OFF,
     STATE_IDLE,
+    STATE_STANDBY,
     STATE_ON,
     STATE_PAUSED,
+    STATE_BUFFERING,
     STATE_PLAYING,
 ]
 ATTRS_SCHEMA = cv.schema_with_slug_keys(cv.string)