some more bugfixes & cleanup

ModpackUpdater.Manager/Extensions.cs

@@ -2,7 +2,6 @@
 
 namespace ModpackUpdater.Manager;
 
-
 public static class Extensions
 {
     public static bool IsSide(this Side @this, Side side)
@@ -30,7 +29,7 @@ public static class Extensions
         foreach (FileInfo @file in dir.GetFiles())
         {
             string targetFilePath = Path.Combine(destinationDir, @file.Name);
-            @file.CopyTo(targetFilePath);
+            @file.CopyTo(targetFilePath, true);
         }
 
         // If recursive and copying subdirectories, recursively call this method
@@ -43,5 +42,4 @@ public static class Extensions
             }
         }
     }
-
 }