Items held by non-player entities sometimes render in strange positions

The Bug:

Items held by non-player entities sometimes render in strange positions.

This applies to all non-player entities such as, pillagers, vindicators, piglins, etc.

Steps to Reproduce:

1. Summon a bunch of pillagers.

2. Fly around them and observe the positions of their crossbows.

Observed Behavior:

Items held by non-player entities sometimes render in strange positions.

Expected Behavior:

Items held by non-player entities would always render in the appropriate positions.