[release-12.0.1] Dashboards and Folders: cleanup timestamps and error codes (#104720)

K8s: Fix timestamps and error codes

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

@@ -10,6 +10,7 @@ import (
 	"sync"
 	"time"
 
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/utils/ptr"
 
@@ -434,7 +435,7 @@ func (a *dashboardSqlAccess) SaveDashboard(ctx context.Context, orgId int64, das
 		return nil, created, err
 	}
 	if failOnExisting && !created {
-		return nil, created, dashboards.ErrDashboardWithSameUIDExists
+		return nil, created, apierrors.NewConflict(dashboardV1.DashboardResourceInfo.GroupResource(), dash.Name, dashboards.ErrDashboardWithSameUIDExists)
 	}
 
 	out, err := a.dashStore.SaveDashboard(ctx, *cmd)

pkg/registry/apis/folders/legacy_storage.go

@@ -273,7 +273,7 @@ func (s *legacyStorage) Update(ctx context.Context,
 			NewParentUID: newParent,
 		})
 		if err != nil {
-			return nil, created, fmt.Errorf("error changing parent folder spec")
+			return nil, created, err
 		}
 	}