Leads don't properly connect to the models of iron golems

The Bug:

Leads don't properly connect to the models of iron golems.

As a result of this issue, the lead appears to be floating.

Steps to Reproduce:

1. Summon an iron golem and attach a lead to it.
2. Look at where the lead connects to the model of the iron golem closely.
3. Take note as to whether or not leads connect to the models of iron golems.

Observed Behavior:

Leads don't properly connect to the models of iron golems.

Expected Behavior:

Leads would connect to the models of iron golems.