When I hold an item in my off hand (left hand) I can not put it in an item frame.

Put the summary of the bug you're having here

What I expected to happen was...:
To be able to put the item of my off hand on an item frame

What actually happened was...:
It did not do anything

Steps to Reproduce:
1. Put an item in off hand without anything on the other one
2. click an item frame
3. ...