Fix an issue where skipping versions wouldn't work when invoked from the operation result

Author: marticliment

src/UniGetUI/Controls/OperationWidgets/OperationControl.cs

@@ -573,7 +573,7 @@ public List<MenuFlyoutItemBase> GetRetryOptions(Action callback)
                 skipThisVersion.Click += async (_, _) =>
                 {
                     callback();
-                    await packageOp.Package.AddToIgnoredUpdatesAsync(packageOp.Package.VersionString);
+                    await packageOp.Package.AddToIgnoredUpdatesAsync(packageOp.Package.NewVersionString);
                     UpgradablePackagesLoader.Instance.Remove(packageOp.Package);
                     Close();
                 };