Workaround: Switch build target to Android or Meta Quest Build Profile

Steps to reproduce:
1. Create Unity project using Mixed Reality Template
2. Open Package Manager
3. Find “OpenXR Plugin” package
4. Open Samples tab
5. Find and install “Meshing Subsystem Feature” sample
6. Observe the Console window

Actual results: “NullReferenceException: Object reference not set to an instance of an object
UnityEditor.XR.OpenXR.Samples.MeshingFeature.MeshingFeatureInstaller.Install () (at Assets/Samples/OpenXR Plugin/1.16.0-pre.2/Meshing Subsystem Feature/Editor/MeshingFeatureInstaller.cs:53)
UnityEditor.EditorApplication.Internal_CallUpdateFunctions () (at /Users/bokken/build/output/unity/unity/Editor/Mono/EditorApplication.cs:392)” error is thrown in the Console window

Expected results: No errors are thrown in the Console window

Reproducible with versions: 1.15.1 (6000.0.60f1, 6000.2.8f1), 1.16.02-pre.2 (6000.3.0b6)

Tested on (OS): macOS Silicon, Tahoe 26.0 (M1)