Issue #3219668: Set prompt consent to get the refresh token in the response

src/Service/GoogleApiClientService.php

@@ -152,6 +152,7 @@ class GoogleApiClientService {
     if ($google_api_client->getAccessType()) {
       $client->setAccessType('offline');
       $client->setApprovalPrompt('force');
+      $client->setPrompt('consent');
     }
     $client->setClientSecret($google_api_client->getClientSecret());
     $client->setDeveloperKey($google_api_client->getDeveloperKey());