Adult piglins cannot pick up shields thrown by the player

Summary:
Adult piglins are not able to pick up shields thrown by the player. Only baby piglins are able to.

Steps to Reproduce:

1. Spawn an adult piglin
2. Throw a shield at it

Observed Results:
The piglin does not pick up the shield.

Expected Results:
The piglin should pick up the shield.

Video:
Minecraft 2021-01-02 10-21-33.mp4