message: Add UiNode null checks
diff: @@ -131,7 +131,7 @@ class UiNode
  friend bool operator==(const UiNodePtr& lhs, const UiNodePtr& rhs)
  {
  - return lhs->getName() == rhs->getName();
  + return lhs != nullptr && rhs != nullptr && lhs->getName() == rhs->getName();
  }
  bool operator()(const UiNodePtr& node1, const UiNodePtr& node2) const
  