Fix TasksCanAddRecursiveDirBuiltInMetadata() (#6337)
Fix TasksCanAddRecursiveDirBuiltInMetadata() (#6337)

Co-authored-by: Forgind <87e52c5fa290283b82f2f5d2cc2f147d0cee85f2@users.noreply.github.com>
sean-gilliam/msbuild,sean-gilliam/msbuild,sean-gilliam/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,sean-gilliam/msbuild,mono/msbuild,rainersigwald/msbuild,mono/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,AndyGerlicher/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,mono/msbuild,mono/msbuild