Merge branch 'pipelines-filter-by-source-index-params-fix' into 'master'

Allow 'source' as an index parameter for pipelines if feature flag is enabled

See merge request gitlab-org/gitlab!68822

app/controllers/projects/pipelines_controller.rb

@@ -297,7 +297,10 @@ class Projects::PipelinesController < Projects::ApplicationController
   end
 
   def index_params
-    params.permit(:scope, :username, :ref, :status)
+    permitted_params = [:scope, :username, :ref, :status]
+    permitted_params << :source if Feature.enabled?(:pipeline_source_filter, project, default_enabled: :yaml)
+
+    params.permit(*permitted_params)
   end
 
   def enable_code_quality_walkthrough_experiment