Source root not calculated correctly in AzDo with ArtifactsPath set to Build.ArtifactStagingDirectory #1496

In an AzDo pipeline, I have a project with UseArtifactOutput set to true and in the build step, it passes -p:ArtifactsPath=$(Build.ArtifactStagingDirectory) to put them in the AzDo arifacts staging dir. The side effect is that some generated files, like the .Version.cs are not properly scrubbed with the right roots and are thus not reproducible.

With the ArtifactsPath being outside the source dir:
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Without overridding the ArtifactsPath, the artifacts dir is under the source dir, so is scrubbed correctly.
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Tested with .NET 10 SDK RC2