Villagers losing their professions on their own

Put the summary of the bug you're having here

What I expected to happen was...:
After a villager attaches itself to a workstation, I expected the villager would stay attached to it. the work stations were not destroyed, moved, removed in any way shape or form.

What actually happened was...:
2 / 3 of the time the villager abandoned it's workstation and would not pick up on the available one that was only 1 block away

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...