fix(keystone): avoid panic when sync scope reosurce

pkg/keystone/cronjobs/project_resources.go

@@ -23,6 +23,7 @@ import (
 	"yunion.io/x/jsonutils"
 	"yunion.io/x/log"
 	"yunion.io/x/pkg/errors"
+	"yunion.io/x/pkg/gotypes"
 	"yunion.io/x/pkg/util/httputils"
 	"yunion.io/x/pkg/utils"
 
@@ -115,6 +116,9 @@ func refreshScopeResourceCount(ctx context.Context) error {
 			}
 			continue
 		}
+		if gotypes.IsNil(ret) {
+			continue
+		}
 		if _, ok := serviceBlackList[srvId]; ok {
 			delete(serviceBlackList, srvId)
 		}