[ML UI/AI Infra][8.18 & 8.19][Bug] Fix broken links on "Auditbeat anomaly detection configurations" page

[nastasha-solomon]

Fix broken links on https://www.elastic.co/guide/en/machine-learning/8.19/ootb-ml-jobs-auditbeat.html and backport changes to the 8.18 and 8.19 branches. More details here.

[nastasha-solomon]

Fixed via #3036.