Fix local end user session grants and schema resolution

scenarios/07-audit-evidence-data-safe/sql/05_generate_activity.sql

@@ -1,6 +1,8 @@
 SET PAGESIZE 100
 SET LINESIZE 220
 
+ALTER SESSION SET CURRENT_SCHEMA = ADMIN;
+
 PROMPT Generate auditable activity.
 
 SELECT payment_id, customer_name, country, payment_amount, card_token, risk_flag
@@ -19,4 +21,3 @@ FROM unified_audit_trail
 WHERE object_name = 'DDS_AUDIT_PAYMENTS'
 ORDER BY event_timestamp DESC
 FETCH FIRST 20 ROWS ONLY;
-