[CI] CrossClusterAsyncEnrichStopIT testEnrichAfterStop failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #6351 / release-tests
• elasticsearch-periodic #6337 / release-tests
• elasticsearch-periodic-platform-support #6312 / almalinux-8-aarch64_checkpart3_platform-support-arm
• elasticsearch-periodic #6295 / release-tests
• elasticsearch-periodic-platform-support #6270 / opensuse-leap-15_platform-support-unix
• elasticsearch-periodic-platform-support #6235 / ubuntu-2404_platform-support-unix
• elasticsearch-periodic-platform-support #6228 / sles-15_platform-support-unix

Reproduction Line:

./gradlew ":x-pack:plugin:esql:internalClusterTest" --tests "org.elasticsearch.xpack.esql.action.CrossClusterAsyncEnrichStopIT.testEnrichAfterStop" -Dtests.seed=5B8E8332E9695AFF -Dbuild.snapshot=false -Dtests.jvm.argline="-Dbuild.snapshot=false" -Dlicense.key=x-pack/license-tools/src/test/resources/public.key -Dtests.locale=en-SD -Dtests.timezone=Asia/Vientiane -Druntime.java=23

Applicable branches:
9.0

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: 
Expected: <[[5, Apple], [6, Microsoft], [3, Redhat], [2, Samsung], [2, null]]>
     but: was <[[6, Apple], [7, Microsoft], [3, Redhat], [3, Samsung], [3, null]]>

Issue Reasons:

• [9.0] 7 failures in test testEnrichAfterStop (1.5% fail rate in 470 executions)
• [9.0] 3 failures in step release-tests (18.8% fail rate in 16 executions)
• [9.0] 3 failures in pipeline elasticsearch-periodic (17.6% fail rate in 17 executions)
• [9.0] 4 failures in pipeline elasticsearch-periodic-platform-support (23.5% fail rate in 17 executions)

Note:
This issue was created using new test triage automation. Please report issues or feedback to es-delivery.

[elasticsearchmachine]

Pinging @elastic/es-analytical-engine (Team:Analytics)

[elasticsearchmachine]

Pinging @elastic/es-search-foundations (Team:Search Foundations)

[smalyshev]

This may already be fixed by #121857