fix: prevent out-of-bounds wizard steps and remove duplicate FieldCondition property definition

apps/portal/src/app/features/licensing/pages/LicenseApplicationPage.tsx

@@ -356,6 +356,14 @@ export function LicenseApplicationPage() {
     [steps],
   );
 
+  // A section-level showWhen can remove a step while the wizard is open
+  // (ENDORSEMENT_SEAFARER's certificate sections follow the chosen scope).
+  // Clamp so `steps[active]` can never go out of bounds if a seed ever lets
+  // a later answer hide an earlier step.
+  useEffect(() => {
+    if (active > steps.length - 1) setActive(Math.max(0, steps.length - 1));
+  }, [active, steps.length]);
+
   if (loadingConfig || !config || !appId || !application) {
     return <PageLoader label={t('licenseApplication.loading', 'Loading Application…')} height={400} />;
   }