handle forbidden response code properly

CHANGELOG

@@ -18,6 +18,8 @@ minerva (14.0.8) stable; urgency=medium
     non-default Browser zoom level (#1048)
   * Bug fix: project without background overlay but with some custom data
     overlays crashed with an error (#1066)
+  * Bug fix: when session expires updating options in configuration panel threw
+    unhandled error (#1068)
 
  -- Piotr Gawron <piotr.gawron@uni.lu>  Thu, 23 Jan 2020 12:00:00 +0200
 

frontend-js/src/main/js/ServerConnector.js

@@ -1107,7 +1107,9 @@ ServerConnector.updateConfigurationOption = function (option) {
       value: option.getValue()
     }
   };
-  return self.sendPatchRequest(self.getConfigurationOptionUrl(queryParams), filterParams);
+  return self.sendPatchRequest(self.getConfigurationOptionUrl(queryParams), filterParams).catch(function (error) {
+    return self._processUpdateError(error);
+  });
 };
 
 ServerConnector.getModels = function (projectId) {