Steps to reproduce:
1. Open the attached user's project "VR-Screenshake-Test.zip" or create a new VR project
2. Set XR plugin to OpenXR and enable the MetaXR feature (Oculus integration package needs to be installed)
3. Make sure that there's no headset connected
4. Enter Play Mode

Expected results: Editor does not crash
Actual results: Editor crashes

Reproducible on: OpenXR 1.5.0 - 1.6.0 (2020.3.45f1, 2021.3.19f1, 2022.2.7f1, 2023.1.0b5, 2023.2.0a4)
Not reproducible on: OpenXR 1.3.1 (2020.3.45f1, 2021.3.19f1)
Could not test with OpenXR 1.4.0, 1.4.1, 1.4.2 due to failure downloading the package and scripting errors when upgrading to 1.4.1 and 1.4.2

Stack trace:
Meta.XR.MetaXRFeature:OnInstanceCreate (ulong) (at Assets/Oculus/VR/Scripts/MetaXRFeature.cs:130)
UnityEngine.XR.OpenXR.Features.OpenXRFeature:ReceiveNativeEvent (UnityEngine.XR.OpenXR.Features.OpenXRFeature/NativeEvent,ulong) (at ./Library/PackageCache/com.unity.xr.openxr@1.6.0/Runtime/Features/OpenXRFeature.cs:630)
UnityEngine.XR.OpenXR.OpenXRLoaderBase:ReceiveNativeEvent (UnityEngine.XR.OpenXR.Features.OpenXRFeature/NativeEvent,ulong) (at ./Library/PackageCache/com.unity.xr.openxr@1.6.0/Runtime/OpenXRLoader.cs:629)
UnityEngine.IntegratedSubsystemDescriptor`1<UnityEngine.XR.XRDisplaySubsystem>:Create ()
UnityEngine.IntegratedSubsystemDescriptor`1<UnityEngine.XR.XRDisplaySubsystem>:CreateImpl ()
UnityEngine.IntegratedSubsystemDescriptor:UnityEngine.ISubsystemDescriptor.Create ()

Notes:
-Newest version of Oculus Integration package was used (49.0)
-Crash only reproduces if MetaXR feature is enabled in the OpenXR settings