Add MFolderIDsServiceCount to count folderIDs in services pkg (#81237)

pkg/services/dashboards/accesscontrol.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"strings"
 
+	"github.com/grafana/grafana/pkg/infra/metrics"
 	ac "github.com/grafana/grafana/pkg/services/accesscontrol"
 	"github.com/grafana/grafana/pkg/services/folder"
 )
@@ -168,11 +169,13 @@ func NewDashboardUIDScopeResolver(folderDB folder.FolderStore, ds DashboardServi
 
 func resolveDashboardScope(ctx context.Context, folderDB folder.FolderStore, orgID int64, dashboard *Dashboard, folderSvc folder.Service) ([]string, error) {
 	var folderUID string
+	metrics.MFolderIDsServiceCount.WithLabelValues(metrics.Dashboard).Inc()
 	// nolint:staticcheck
 	if dashboard.FolderID < 0 {
 		return []string{ScopeDashboardsProvider.GetResourceScopeUID(dashboard.UID)}, nil
 	}
 
+	metrics.MFolderIDsServiceCount.WithLabelValues(metrics.Dashboard).Inc()
 	// nolint:staticcheck
 	if dashboard.FolderID == 0 {
 		folderUID = ac.GeneralFolderUID