Issue #3383791 by John Franklin: Add alterLogoutRedirectionQuery() to fix up...

Issue #3383791 by John Franklin: Add alterLogoutRedirectionQuery() to fix up the parameters set to Login.gov.

src/Plugin/OpenIDConnectClient/OpenIDConnectLoginGovClient.php

@@ -360,4 +360,14 @@ class OpenIDConnectLoginGovClient extends OpenIDConnectClientBase {
     return array_values(array_unique(array_intersect_key(static::$fieldToScopeMap, $fields)));
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function alterLogoutRedirectionQuery(array $query): array {
+    unset($query['id_token_hint']);
+    $query['client_id'] = $this->configuration['client_id'];
+
+    return $query;
+  }
+
 }