Utility functions for NavigationServer2D/3D to find missing RID information when working with Server API directly. e.g. from map to regions and agents, from agent or region to map, from region to map and agents and so on ....
Requirement to work with NavigationServer API exklusive without SceneTree nodes and when juggling agents and regions between multiple navigation maps.
Each file in Godot has had multiple contributors who co-authored it over the
years, and the information of who was the original person to create that file
is not very relevant, especially when used so inconsistently.
`git blame` is a much better way to know who initially authored or later
modified a given chunk of code, and most IDEs now have good integration to
show this information.
