Merge branch '40285-prometheus-loading-screen-no-longer-seems-to-appear' into 'master'

Resolve "Prometheus loading screen no longer seems to appear"

Closes #40285

See merge request gitlab-org/gitlab-ce!15889

app/views/projects/environments/metrics.html.haml

@@ -15,9 +15,9 @@
 
   #prometheus-graphs{ data: { "settings-path": edit_project_service_path(@project, 'prometheus'),
     "documentation-path": help_page_path('administration/monitoring/prometheus/index.md'),
-    "empty-getting-started-svg-path": image_path('illustrations/monitoring/getting_started'),
-    "empty-loading-svg-path": image_path('illustrations/monitoring/loading'),
-    "empty-unable-to-connect-svg-path": image_path('illustrations/monitoring/unable_to_connect'),
+    "empty-getting-started-svg-path": image_path('illustrations/monitoring/getting_started.svg'),
+    "empty-loading-svg-path": image_path('illustrations/monitoring/loading.svg'),
+    "empty-unable-to-connect-svg-path": image_path('illustrations/monitoring/unable_to_connect.svg'),
     "additional-metrics": additional_metrics_project_environment_path(@project, @environment, format: :json),
     "project-path": project_path(@project),
     "tags-path": project_tags_path(@project),

changelogs/unreleased/40285-prometheus-loading-screen-no-longer-seems-to-appear.yml

+---
+title: Fix broken illustration images for monitoring page empty states
+merge_request: 15889
+author:
+type: fixed