Lead attached to hoglin does not break when hoglin turns into zoglin

Summary:
When a hoglin attached to a lead turns into a zoglin, the lead does not break. In Java Edition, the lead breaks.

Steps to Reproduce:

1. Spawn a hoglin in the Overworld
2. Attach a lead to it
3. Wait for the hoglin to turn into a zoglin

Observed Results:
When the hoglin turns into a zoglin, the lead does not break.

Expected Results:
The lead should break.