Arrows and tridents shot at a sideway shulker box float when the shulker box is opened

Arrows and tridents float in the air if you shoot it on shulker box and open it.

Steps to Reproduce:

1. Place a shulker box side way
2. Shoot arrows/tridents on it
3. Open and close it

Observed Results:
The arrows/tridents float in the air.

Expected Results:
The arrows/tridents should fall to the ground.