Merge branch '407269-improve-sync-scan-result-policies-service-performance' into 'master'

Improve SyncScanResultPoliciesService  performance

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/138741



Merged-by: Sashi Kumar Kumaresan <skumar@gitlab.com>
Approved-by: Michał Zając <mzajac@gitlab.com>
Approved-by: Sashi Kumar Kumaresan <skumar@gitlab.com>
Reviewed-by: Andy Soiron <asoiron@gitlab.com>
Co-authored-by: Andy Soiron <asoiron@gitlab.com>

ee/app/services/security/security_orchestration_policies/sync_scan_result_policies_service.rb

@@ -5,13 +5,12 @@ module SecurityOrchestrationPolicies
     class SyncScanResultPoliciesService
       def initialize(configuration)
         @configuration = configuration
+        @sync_project_service = SyncScanResultPoliciesProjectService.new(configuration)
       end
 
       def execute
         projects.find_each do |project|
-          Security::SecurityOrchestrationPolicies::SyncScanResultPoliciesProjectService
-            .new(configuration)
-            .execute(project.id)
+          @sync_project_service.execute(project.id)
         end
       end
 
@@ -21,7 +20,7 @@ def execute
 
       def projects
         @projects ||= if configuration.namespace?
-                        configuration.namespace.all_projects
+                        configuration.namespace.all_projects.select(:id)
                       else
                         Project.id_in(configuration.project_id)
                       end