UPDATE: default roles and user

src/modules/catalog/catalog.service.ts

@@ -406,11 +406,14 @@ class CatalogService implements OnModuleInit {
 
       const roles = [];
       const users = [];
-      for (const role_id of data_asset.roles) {
+      const data_asset_roles = data_asset?.roles || []
+      for (const role_id of data_asset_roles) {
         const role = customer_roles.find((r) => r.id === role_id);
         if (role) roles.push({ id: role.id, name: role.name });
       }
-      for (const user_id of data_asset.users) {
+
+      const data_asset_users = data_asset?.users || []
+      for (const user_id of data_asset_users) {
         const user = customer_users.find((r) => r.id === user_id);
         if (user) users.push({ id: user.id, username: user.username });
       }