Enable pipeline_report_api flag by default

This is part of porting the Security Dashboard to the pipeline view[1].

[1]: https://gitlab.com/gitlab-org/gitlab-ee/issues/13496

ee/app/controllers/ee/projects/pipelines_controller.rb

@@ -12,7 +12,7 @@ module EE
         # because the user can freely navigate between them *without*
         # triggering a page load.
         before_action only: [:show, :builds, :failures, :security, :licenses] do
-          push_frontend_feature_flag(:pipeline_report_api)
+          push_frontend_feature_flag(:pipeline_report_api, default_enabled: true)
         end
       end
 

ee/app/views/projects/pipelines/_tabs_content.html.haml

@@ -11,7 +11,7 @@
 
 - if pipeline.expose_security_dashboard?
   #js-tab-security.build-security.tab-pane
-    - if Feature.enabled?(:pipeline_report_api)
+    - if Feature.enabled?(:pipeline_report_api, default_enabled: true)
       #js-security-report-app{ data: { dashboard_documentation: help_page_path('user/application_security/security_dashboard/index'),
       empty_state_svg_path: image_path('illustrations/security-dashboard-empty-state.svg'),
       pipeline_id: pipeline.id,

ee/changelogs/unreleased/13496-enable-pipeline-report-api-flag-by-default-ee.yml

+---
+title: Display the Security Dashboard in the Security tab of the pipeline view
+merge_request: 15824
+author:
+type: changed