Exclude macOS from checking for changed files (#5270)

src/Ryujinx.Ava/Modules/Updater/Updater.cs

@@ -741,7 +741,7 @@ namespace Ryujinx.Modules
             var files = Directory.EnumerateFiles(HomeDir); // All files directly in base dir.
 
             // Determine and exclude user files only when the updater is running, not when cleaning old files
-            if (_running)
+            if (_running && !OperatingSystem.IsMacOS())
             {
                 // Compare the loose files in base directory against the loose files from the incoming update, and store foreign ones in a user list.
                 var oldFiles = Directory.EnumerateFiles(HomeDir, "*", SearchOption.TopDirectoryOnly).Select(Path.GetFileName);