Zombie Piglin can still attack goats when attacked

Steps to Reproduce:

1. Create a superflat world.
2. /gamerule doMobSpawning false
3. Summon a zombie piglin and a goat.
4. /damage @e[type=zombie_pigman] 1 ram_attack entity @e[type=goat]
5. /fill ~-8 ~ ~-8 ~8 ~8 ~8 stone hollow
6. Summon a lot of goats and zombie piglins in the stone house.
7. Wait for goats knocking against zombie piglin.

Observed Results:

• After step 4, the zombie piglin doesn't counterattack.
• After step 7, zombie piglins counterattack.

Expected Results:

• Zombie piglins should not counterattack goats like Java Edition.

Other Information:

• Relates to MC-227625