Fix local end user session grants and schema resolution

scenarios/02-shared-app-account/sql/03_data_grants.sql

@@ -12,5 +12,7 @@ CREATE OR REPLACE DATA GRANT latam_manager_orders
   WHERE region = 'LATAM'
   TO latam_manager_role;
 
-SET USE DATA GRANTS ONLY ON dds_orders ENABLED;
-
+BEGIN
+  EXECUTE IMMEDIATE 'SET USE DATA GRANTS ONLY ON dds_orders ENABLED';
+END;
+/