windows.perception.stub: Implement IHolographicSpace_get_PrimaryAdapterId().
Needed by UE4 VR games.
- Proton-Issue: https://github.com/ValveSoftware/Proton/issues/6533
- Proton-Issue: https://github.com/ValveSoftware/Proton/issues/8457
Edited by Mohamad Al-Jaf