Steps to reproduce

1. Uses nightly-webapp
2. Add some log in JcrDeliveryEndpoint.instantiatePredicate
3. Access <magnolia host>/.rest/delivery/tours/v1

Expected results

getParent is called only when neccessary

Actual results

getParent is called with each reference node's properties

Workaround

Development notes

• With original tour_v1.yaml
  Original code: getParent is called ~1026
  Patch code: getParent is not called
  New PR code: getParent is not called

• Modify tour_v1.yaml to simulate nodeType!=null by adding nodeType: node
  Original code: getParent is called ~1026
  Patch code: getParent is called ~1026
  New PR code: getParent is called ~109