Villager Level up particles (Pink and Green) appears immediately after you close the trading interface

Villager Level up particles (Pink and Green) appears immediately after you close the trading interface.

How to reproduce: 

1. Trade with a Villager
2. Level up the villager
3. Close the trading interface
4. Observe the villager

Observed Results: The Particles appear Immediately after you close the interface.

Expected Results: The Particles should appear 3 seconds after you close the Interface.