[CI] GetPipelineRequestTests.testEqualsAndHashcode fails on master

[dakrone]

Build scan:
https://gradle-enterprise.elastic.co/s/jr5nbkgcsbkxg

Repro line:

./gradlew ':x-pack:plugin:logstash:test' --tests "org.elasticsearch.xpack.logstash.action.GetPipelineRequestTests.testEqualsAndHashcode" -Dtests.seed=4228CC62F41F1E04 -Dtests.security.manager=true -Dtests.locale=en-AU -Dtests.timezone=Africa/Lubumbashi -Druntime.java=11

Reproduces locally?:
Yep

Applicable branches:
Master

Failure history:
I think related to the merging of #53350?

Failure excerpt:

  2> REPRODUCE WITH: ./gradlew ':x-pack:plugin:logstash:test' --tests "org.elasticsearch.xpack.logstash.action.GetPipelineRequestTests.testEqualsAndHashcode" -Dtests.seed=4228CC62F41F1E04 -Dtests.security.manager=true -Dtests.locale=en-AU -Dtests.timezone=Africa/Lubumbashi -Druntime.java=11
  2> java.lang.AssertionError: GetPipelineRequest mutation should not be equal to original
    Expected: not <org.elasticsearch.xpack.logstash.action.GetPipelineRequest@20>
         but: was <org.elasticsearch.xpack.logstash.action.GetPipelineRequest@20>
        at __randomizedtesting.SeedInfo.seed([4228CC62F41F1E04:3327B4AF3BF8572B]:0)
        at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
        at org.junit.Assert.assertThat(Assert.java:956)
        at org.elasticsearch.test.EqualsHashCodeTestUtils.checkEqualsAndHashCode(EqualsHashCodeTestUtils.java:82)
        at org.elasticsearch.test.AbstractWireTestCase.testEqualsAndHashcode(AbstractWireTestCase.java:60)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

[elasticmachine]

Pinging @elastic/es-core-infra (:Core/Infra/Core)

[williamrandolph]

I found the edge case I missed and will PR a fix in the next half hour.