Defect 21. For a -Target that didn't exist, New-NTFSHardLink failed with
"The target path exist, cannot create the link", the opposite of the
cause. The message now names the target and says that it does not exist.
Tests/Links.Tests.ps1 (new): 2 tests, one of them for a link that is
created.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: AI Assistant <ai@example.com>