Add a way to freeze specific rotations and positions in a rigidbody

Hi, I was trying to port a small test project from Unity Engine to Xenko.
It's a small project where I have a capsule with a rigidbody and I move it from left to right using addforce and I clamp the velocity to limit the speed

in xenko, I have been able to reproduce most of the project without issues, but my main issues comes from the fact that natively, it isn't easy to lock an axis of a rigidbody in xenko, while on unity, it's extremely simple

in Xenko, I have looked at constraints, but none look as simple as simply a FreezeZPosition or FreezeXRotation
it would make the job of a lot of people easier if it was implemented

unless there's an easy way I didn't know about

No file, test, or entry point is named. Start by reviewing the rigidbody constraint APIs and how Unity's freeze-position and freeze-rotation behavior maps to them; done means providing a simple way to freeze selected axes and verifying it against the reported capsule movement scenario.