Lead at Fence Bug

When you put a horse at a woodenfence with the Lead and then ride the horse away from the woodenfence the entity of the lead at the woodenfence will stay there but the horse isnt roped anymore.

Steps to Reproduce:
1.) Put a tamed horse with saddle at a woodenfence using the lead
2.) Get on the horse and ride away
3.) Go back to the woodenfence when the rope of the lead disappears
4.) Have a nice entity bug