Harden operations dashboard default dashboard

Optimize Usage data query with start and finish params

ee/changelogs/unreleased/220479-harden-operations_dashboard_default_dashboard-usage-data-querie.yml

+---
+title: Harden operations_dashboard_default_dashboard usage query
+merge_request: 33952
+author:
+type: performance

ee/lib/ee/gitlab/usage_data.rb

@@ -290,7 +290,9 @@ module EE
           {
             clusters: distinct_count(::Clusters::Cluster.where(time_period), :user_id),
             clusters_applications_prometheus: cluster_applications_user_distinct_count(::Clusters::Applications::Prometheus, time_period),
-            operations_dashboard_default_dashboard: count(::User.active.with_dashboard('operations').where(time_period)),
+            operations_dashboard_default_dashboard: count(::User.active.with_dashboard('operations').where(time_period),
+                                                          start: user_minimum_id,
+                                                          finish: user_maximum_id),
             operations_dashboard_users_with_projects_added: distinct_count(UsersOpsDashboardProject.joins(:user).merge(::User.active).where(time_period), :user_id),
             projects_prometheus_active: distinct_count(::Project.with_active_prometheus_service.where(time_period), :creator_id),
             projects_with_error_tracking_enabled: distinct_count(::Project.with_enabled_error_tracking.where(time_period), :creator_id),