Pillager doesn't render armour correctly

Verification Builds:
1.16.0.59 Beta
Summary:
Pillager doesn't render armor correctly.Dispenser doesn't equip correctly on pillager were armour like glitchy.In java pillager were armour but it doesn't shows it were armour.
Steps to Reproduce:
1.Find a pillager.
2.Place a Dispenser put in armour.
3.Pillager render armour correctly.
4.The armour will not glitchy.
Observed Results:
Pillager doesn't render armour correctly.
Expected Results:
Pillager render armour correctly.
Screenshots Attached: yes