Maps don't render correctly in item frames, in all circumstances.

Put the summary of the bug you're having here

What I expected to happen was...:
the map to render in the item frame like it should.
What actually happened was...:
it looked like an item frame in a map in a item frame
Steps to Reproduce:
1. open a world.
2. ...place a item frame down.
3.get a map and place it in the item frame.