Merge pull request #173 from saccas/bugfix-oidcvalue-cast-string

[BUGFIX] Fix type error for if the userinfo claims contain ints

Classes/Service/AuthenticationService.php

@@ -652,7 +652,7 @@ protected function mergeSimple(array $oidc, array $typo3, string $field, string
                         if (is_array($oidcValue)) {
                             $oidcValue = $oidcValue[0];
                         }
-                        $sectionValue = str_replace($fullMatchedMarker, $oidcValue, $sectionValue);
+                        $sectionValue = str_replace($fullMatchedMarker, (string)$oidcValue, $sectionValue);
                     } else {
                         $sectionValue = str_replace($fullMatchedMarker, '', $sectionValue);
                     }