fix: mark column field system

packages/nocodb/src/services/tables.service.ts

@@ -385,9 +385,10 @@ export class TablesService {
         if (
           !tableCreatePayLoad.columns.find((c) => c.uidt === uidt && c.system)
         ) {
-          tableCreatePayLoad.columns.push(
+          tableCreatePayLoad.columns.push({
-            await getColumnPropsFromUIDT({ uidt } as any, source),
+            ...(await getColumnPropsFromUIDT({ uidt } as any, source)),
-          );
+            system: true,
+          });
         }
       }
     }