UE4 C++ - Restores the previous arrangement of child components after loading

If your code is based on the arrangement of child components, you are lost! The child components are reordered every time you save and reload a project:

This project shows a simple solution for recreating the previous arrangement after reloading a project. The background of this project is a project, which extensively uses the arrangement order of child components, because the arrangement determines the location, rotation and scaling of each child component.