WinFormsTestApp: purge stale lock/obj to drop Microsoft.WindowsDesktop.App.Ref 3.1.0 (fix CG Critical from #5482)#5506

gladjohn merged 1 commit intomainAzureAD/microsoft-authentication-library-for-dotnet:mainfrom

gladjohn-patch-RestorePackagesWithLockFileAzureAD/microsoft-authentication-library-for-dotnet:gladjohn-patch-RestorePackagesWithLockFileCopy head branch name to clipboard