When we have our torch in left hand [F] and our right hand is empty we place a torch it removes it from our left hand it get placed and disappear after we do [F] it go back to our inventory, however this works only if our right hand is empty else it works.

I attached some photos

Right hand: Empty
1. We got our torch in our left hand [F]
2. We try to place it
3. It disappear and got removed from our invenory
4. If we do [F] again it go back to our invenory

Right hand: Used
5. We got our torch in our left hand [F]
6. We try to place it
7. It works