fix: order by CreatedTime or auto-incremented primary key by default

packages/nocodb/src/db/BaseModelSqlv2.ts

@@ -419,8 +419,11 @@ class BaseModelSqlv2 {
     // if autogenerated string sort by created_at column if present
     if (this.model.primaryKey && this.model.primaryKey.ai) {
       qb.orderBy(this.model.primaryKey.column_name);
-    } else if (this.model.columns.find((c) => c.column_name === 'created_at')) {
-      qb.orderBy('created_at');
+    } else {
+      const createdCol = this.model.columns.find(
+        (c) => c.uidt === UITypes.CreatedTime && c.system,
+      );
+      if (createdCol) qb.orderBy(createdCol.column_name);
     }
 
     if (!ignorePagination) applyPaginate(qb, rest);