Villagers don't look directly at their job site block

Villagers who work with blocks, they look somewhere up and not at their unit.

Sorry for the mistakes because I am translating from Google translator and if something is not clear ask me.

Steps to Reproduce:

1. Spawn a villager.
2. Place down a job site block and a bed.
3. Trade with the villager until one of its trades is locked.
4. Wait until the villager starts restocking at its job site block.

Expected Result
The villager looks at its job site block while working.

Actual Result
The villager looks at the space 1 block above its job site block (+1 Y) while working.