The inside body parts of invisible goats sometimes don't render from certain angles in spectator mode

The Bug:

The inside body parts of invisible goats sometimes don't render from certain angles in spectator mode.

Steps to Reproduce:

1. Summon an invisible goat using the command provided below.

   /summon minecraft:goat ~ ~ ~ {NoAI:1b,Silent:1b,active_effects:[{id:"minecraft:invisibility",amplifier:0,duration:-1}]}

2. Switch to spectator mode and look at the goat from different angles.

Observed Behavior:

The inside body parts sometimes don't render from certain angles.

Expected Behavior:

The inside body parts would always be rendered from every angle.