message: use .get() for ObjectProxies
diff: @@ -26,7 +26,7 @@ function fetchIdFromRelationshipLink(node: Node, relationship: keyof Node) {
  function fetchTitle(node: Node, relationship: keyof Node) {
  // Fetches parent or root title. If null, marks 'Private'.
  - const { title } = node.get(relationship);
  + const title = node.get(relationship).get('title');
  return typeof title !== 'undefined' ? title : 'Private';
  }
  @@ -36,10 +36,10 @@ export function getAncestorDescriptor(params: any[]): string {
  // For example, Root Name / ... / Parent Name / Node Name.
  const node = params[0] as Node;
  const nodeId = node.id;
  - let rootId = node.root.id;
  - let parentId = node.parent.id;
  + let rootId = node.root.get('id');
  + let parentId = node.parent.get('id');
  const parent: Node = node.parent instanceof ObjectProxy ? node.get('parent').content as Node : node.parent;
  - let parentParentId = parent ? parent.parent.id : undefined;
  + let parentParentId = parent ? parent.parent && parent.parent.get('id') : undefined;
  const separator = ' / ';
  const ellipsis = '\u2026';
  