K8s/Dashboards: Pass the legacy internal ID into labels (#98311)

---------

Co-authored-by: Stephanie Hingtgen <stephanie.hingtgen@grafana.com>
Co-authored-by: Todd Treece <360020+toddtreece@users.noreply.github.com>

pkg/registry/apis/dashboard/legacy/sql_dashboards.go

@@ -11,6 +11,7 @@ import (
 	"time"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/utils/ptr"
 
 	"github.com/grafana/authlib/claims"
@@ -407,6 +408,15 @@ func (a *dashboardSqlAccess) SaveDashboard(ctx context.Context, orgId int64, das
 		created = (out.Created.Unix() == out.Updated.Unix()) // and now?
 	}
 	dash, _, err = a.GetDashboard(ctx, orgId, out.UID, 0)
+
+	// stash the raw value in context (if requested)
+	access := GetLegacyAccess(ctx)
+	if access != nil {
+		id, ok, _ := unstructured.NestedInt64(dash.Spec.Object, "id")
+		if ok {
+			access.DashboardID = id
+		}
+	}
 	return dash, created, err
 }