Wardens can essentially soft lock themselves by walking across a pressure plate.

Steps to Reproduce:
1. Spawn in a Warden in Creative with no other mobs nearby
2. Surround the Warden with pressure plates of any type
3. Wait for the Warden to walk across one of them

Observed Results:
When the Warden walks over and off a pressure plate, the noise produced by the plate going back up attracts the Warden to stand on it again.

This traps the Warden in an endless cycle of stepping off the pressure plate and being attracted back onto it, until the Warden detects a player/mob to prioritize.

Expected Results:
The Warden shouldn't be attracted to the noise produced by a pressure plate it itself stands on.

As a map-maker, trying to make stealth areas with Wardens and pressure plates (as an added difficulty for the player to navigate) always leads to this bug arising.