horse leash/rope

Put the summary of the bug you're having here
when using a single rope/leash when you right click on the animal you desire to tie down it disappears and you cannot tie it down to a post.

Describe what you thought should happen here
i thought you only need one.

Describe what happened here
i went to right click on the post after right-clicking on my horse and the rope/leash disappeared and i could not tie my horse down to the post.
Steps to Reproduce:
1. first in survival get one rope/leash
2. then place a post down
3. then right-click on the animal you wish to tie down.
4. then when you go to right-click on the post, it should disappear and you can't tie the animal down.