Created incorrectly Default Track when Emitter's toggle track set to default track in Level sequencer settings

Licensee seems to add a Toggle track by default when adding ParticleSystem to the sequencer.

• Correct toggle track image.
  [Link Removed]

1. Set Toggle Track to Emitter’s default track in Level sequencer settings.
   [Link Removed]
2. Create level sequence and register particle system.
3. Couldn't show toggle box on track.
   [Link Removed]