[CI] IPSyntheticSourceNativeArrayIntegrationTests testSynthesizeArray failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #6668 / release-tests
• elasticsearch-periodic #6662 / release-tests
• elasticsearch-periodic #6655 / release-tests
• elasticsearch-periodic #6648 / release-tests

Reproduction Line:

./gradlew ":server:test" --tests "org.elasticsearch.index.mapper.IPSyntheticSourceNativeArrayIntegrationTests.testSynthesizeArrayRandom" -Dtests.seed=C245918E159AA8E9 -Dbuild.snapshot=false -Dtests.jvm.argline="-Dbuild.snapshot=false" -Dlicense.key=x-pack/license-tools/src/test/resources/public.key -Dtests.locale=teo-Latn-UG -Dtests.timezone=Europe/Bucharest -Druntime.java=23

Applicable branches:
8.x

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: 
Expected: iterable with items ["_id", "_ignored_source"] in any order
     but: not matched: "_recovery_source"

Issue Reasons:

• [8.x] 4 consecutive failures in step release-tests
• [8.x] 4 failures in test testSynthesizeArray (2.9% fail rate in 140 executions)
• [8.x] 4 failures in step release-tests (100.0% fail rate in 4 executions)
• [8.x] 4 failures in pipeline elasticsearch-periodic (100.0% fail rate in 4 executions)

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

[elasticsearchmachine]

This has been muted on branch main

Mute Reasons:

• [main] 2 failures in test testSynthesizeArray (5.1% fail rate in 39 executions)

Build Scans:

• elasticsearch-periodic #6636 / release-tests
• elasticsearch-pull-request #58984 / part-1

[elasticsearchmachine]

Pinging @elastic/es-storage-engine (Team:StorageEngine)