Using NavigationAgents tutorial provides unworking example

[EhoNo1]

Your Godot version:
Doc Version: Latest (4.0)
Editor Version: 4.0.2.stable

Issue description:
Using the provided script template for Actor as Node3D does not produce a working example.
Creating a MVP with the script provided does create a moving agent. Adding a call to the set_movement_target() of an arbitrary vector into the _ready() function does not produce any movement either.

Here is a screenshot of the scene tree of the MVP:

And the navigation mesh has been baked:

URL to the documentation page:
https://docs.godotengine.org/en/latest/tutorials/navigation/navigation_using_navigationagents.html

I can provide a copy of my MVP if requested. (Not uploading it in this message because I'm unsure of the generally accepted way to share it.)

[mhilbrunner]

We just merged #7195 to fix this, thanks for reporting!

The updated version should appear in a bit on the above mentioned latest URL, and on the stable version of that page once we sync that manually, so until then take care to reference the latest version :)