Entities riding the player rotate when running around in the character preview

Partner Rank:
2

Verification builds and Platforms:

1.12.0 Win10

Summary:

Entities riding the player rotate when running around in the character preview.

Impact:

Makes the preview look glitched when entities are riding you.

Repro Steps:

1. Create a world
2. Summon parrots
3. Tame parrots 
4. Have the parrots ride your shoulders
5. Run around or crouch facing multiple directions

Observed Results:

Entities rotate very quickly in their seat on the player when facing directions which aren't east.

Expected Results:

Entities follow the player rotation when moving around.

Screenshots/Videos attached: Yes
https://i.imgur.com/N8wZK1Z.gif