iron golem animation freezes when unable to reach target

Steps to reproduce

1. Spawn a slime in a 1 x 2 x 1 hole.
2. Spawn an iron golem.

Expected result

The iron golem circles the hole or walks back and forth as if trying to get to the slime.

Actual result

The iron golem animation freezes.

Original description
disdeda beta version 1.16 the running animation and golem attack freeze, getting frozen if you don't reach your target