FastUpToDateCheck does not work when CopyDocumentationFileToOutputDirectory is false

[janthomasQS]

Visual Studio Version

17.14

Summary

Set <GenerateDocumentationFile>true</GenerateDocumentationFile> and <CopyDocumentationFileToOutputDirectory>false</CopyDocumentationFileToOutputDirectory>

When building, the FastUpToDateCheck will always say Output 'B:\mypath\ConsoleApp1\bin\Debug\net8.0\ConsoleApp1.xml' does not exist, not up-to-date.

An explanation why this situation would occur. If you want to get rid of unused usings you need to enable documentation file generation for correct reporting but you might not want the DocumentationFile in the output.
See: dotnet/roslyn#41640

Expected Behavior

FastUpToDateCheck should know that no documentation file will be in the output and still consider the project up to date when it is missing

Actual Behavior

FastUpToDateCheck always thinks the project is out of date