Hide Fraud protection decision recorded in Audit Log

Users can see fraud protection decisions in the dedicated Fraud Protection tab,
so hiding this event type from the main Audit Log to reduce duplication with SMS Sent events.

ref DEV-3584

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

Author: tung2744

portal/src/graphql/adminapi/AuditLogScreen.tsx

@@ -53,8 +53,14 @@ const ADMIN_ACTIVITY_TYPES = ALL_ACTIVITY_TYPES.filter(
   (activityType) =>
     activityType.startsWith("ADMIN_API") || activityType.startsWith("PROJECT")
 );
+// Activity types to hide from the audit log (shown elsewhere in the portal)
+const HIDDEN_ACTIVITY_TYPES = [
+  AuditLogActivityType.FraudProtectionDecisionRecorded,
+];
 const USER_ACTIVITY_TYPES = ALL_ACTIVITY_TYPES.filter(
-  (activityType) => !ADMIN_ACTIVITY_TYPES.includes(activityType)
+  (activityType) =>
+    !ADMIN_ACTIVITY_TYPES.includes(activityType) &&
+    !HIDDEN_ACTIVITY_TYPES.includes(activityType)
 );
 
 enum AuditLogKind {