Exclude particle system from scene.sampleHeight

Would it be possible to exclude particle system from scene.sampleHeight? If I enter a particle system as second argument (objectsToExclude), nothing happens.

You can find an example here:

https://sandcastle.cesium.com/#c=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

For anyone stumbling across this thread, here’s the relevant GitHub issue.