Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: ndorin

src/PepperDash.Essentials.Core/Config/Essentials/ConfigUpdater.cs

@@ -150,7 +150,7 @@ static void MoveFilesToArchiveFolder(FileInfo[] files)
                 // Directory exists, first clear any contents
                 var archivedConfigFiles = ConfigReader.GetConfigFiles(archiveDirectoryPath + Global.DirectorySeparator + Global.ConfigFileName + ".bak");
 
-                if (archivedConfigFiles != null || archivedConfigFiles.Length > 0)
+                if (archivedConfigFiles != null && archivedConfigFiles.Length > 0)
                 {
                     Debug.LogMessage(LogEventLevel.Information, "{0} Existing files found in archive folder.  Deleting.", archivedConfigFiles.Length);