Making the AuthnInstant available in the state array as saml:AuthnInstant and...

Making the AuthnInstant available in the state array as saml:AuthnInstant and adding that to PersistentAuthData

modules/saml/www/sp/saml2-acs.php

@@ -231,6 +231,8 @@ $state['LogoutState'] = $logoutState;
 $state['saml:AuthenticatingAuthority'] = $authenticatingAuthority;
 $state['saml:AuthenticatingAuthority'][] = $idp;
 $state['PersistentAuthData'][] = 'saml:AuthenticatingAuthority';
+$state['saml:AuthnInstant'] = $assertion->getAuthnInstant();
+$state['PersistentAuthData'][] = 'saml:AuthnInstant';
 $state['saml:sp:SessionIndex'] = $sessionIndex;
 $state['PersistentAuthData'][] = 'saml:sp:SessionIndex';
 $state['saml:sp:AuthnContext'] = $assertion->getAuthnContext();
@@ -252,7 +254,5 @@ if (isset($state['SimpleSAML_Auth_Source.ReturnURL'])) {
 }
 $state['PersistentAuthData'][] = 'saml:sp:prevAuth';
 
-$state['AuthnInstant'] = $assertion->getAuthnInstant();
-
 $source->handleResponse($state, $idp, $attributes);
 assert('FALSE');