Fixed dead links (#78696)

Fixed links to 404 page.

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

Author: ba0708

docs/user/monitoring/beats-details.asciidoc

@@ -9,7 +9,7 @@ If you are monitoring Beats, the *Stack Monitoring* page in {kib} contains a
 panel for Beats in the cluster overview.
 
 [role="screenshot"]
-image::user/monitoring/images/monitoring-beats.jpg["Monitoring Beats",link="images/monitoring-beats.jpg"]
+image::user/monitoring/images/monitoring-beats.jpg["Monitoring Beats",link="user/monitoring/images/monitoring-beats.jpg"]
 
 To view an overview of the Beats data in the cluster, click *Overview*. The
 overview page has a section for activity in the last day, which is a real-time
@@ -24,7 +24,7 @@ cluster. All columns are sortable. Clicking a Beat name takes you to the detail
 page. For example:
 
 [role="screenshot"]
-image::user/monitoring/images/monitoring-beats-detail.jpg["Monitoring details for Filebeat",link="images/monitoring-beats-detail.jpg"]
+image::user/monitoring/images/monitoring-beats-detail.jpg["Monitoring details for Filebeat",link="user/monitoring/images/monitoring-beats-detail.jpg"]
 
 The detail page contains a summary bar and charts. There are more charts on this
 page than the overview page and they are specific to a single Beat instance.