[MC-106613] Shulker no longer continue close or open when it hurt in the peaceful mode

Shulker no longer continue close or open when it hurt in the peaceful mode(Attacked by the players, snowman, iron golem, wolf or llama).

Probably because Shulker in the peaceful mode will still try to attack.

Linked issues

migrated 2016-08-30T03:36:47Z

Cannot confirm. The shulkers I spawn are closing normally on peaceful in my world.

migrated 2016-08-30T03:43:28Z

My bad. I forgot to hurt the shulker. My bad. Can confirm.

[Mod]Les3awe 2016-10-27T15:16:36Z

This issue relates to MC-83017 / MC-91436.

Avoma 2021-01-24T19:36:41Z

Can confirm in 21w03a.

Avoma 2021-02-04T15:17:00Z

Can confirm in 21w05a.

Avoma 2021-02-07T12:31:39Z

Can confirm in 21w05b.

Avoma 2021-02-11T17:24:49Z

Can confirm in 21w06a.