Zombie Villager Texture Glitch

Today, I created a new World in Minecraft to play around with the new 1.14 Pre-Release_5.
After testing the new Raid function, I noticed a Farmer Villager that had been turned into a Zombie. It had a weird graphical glitch on the hat, displaying what looked like a chunk of the mobs arm. Also, the arms themselves were in fact missing entirely!
I supplied a screenshot below. (Sorry for the potion particles)

I had enclosed two Zombie Villagers with different professions. Both had sleeves on their textures, but no arms, and the Farmer had the same glitch with its straw-hat as I explained earlier.

This isn't a game-breaker, as to speak. However, it would be nice to polish this up a little.

Thanks Mojang.

Sincerely - Ben.c