[8.19] Uniform main and backport code (#127766)#127896

elasticsearchmachine merged 2 commits intoelastic:8.19elastic/elasticsearch:8.19from

ldematte:backport/8.19/entitlements/init-refactorings-4ldematte/elasticsearch:backport/8.19/entitlements/init-refactorings-4Copy head branch name to clipboard