fixup! erp5_oauth_google_login: Set access_type as offline to be possible...

fixup! erp5_oauth_google_login: Set access_type as offline to be possible refresh token in background and automatically

refreshing token was not working because of incorrect API usage

product/ERP5Security/ERP5ExternalOauth2ExtractionPlugin.py

@@ -254,8 +254,8 @@ class ERP5GoogleExtractionPlugin(ERP5ExternalOauth2ExtractionPlugin, BasePlugin)
          cache_value["client_secret"], refresh_token,
          cache_value["token_expiry"], cache_value["token_uri"],
          cache_value["user_agent"])
-       response_data = credential.refresh(httplib2.Http())
-       cache_value.update(response_data)
+       credential.refresh(httplib2.Http())
+       cache_value = json.loads(credential.to_json())
        cache_value["response_timestamp"] = time.time()
        self.setToken(key, cache_value)
     return cache_value