allow remove updates from update collector

ModpackUpdater.Apps.Manager/Ui/UpdatesCollectorUi.cs

@@ -11,7 +11,7 @@ public partial class UpdatesCollectorUi : RadForm
         public int NewVersion { get; set; } = 0;
     }
 
-    public record ModUpdates(IEnumerable<ModUpdateInfo> List);
+    public record ModUpdates(List<ModUpdateInfo> List);
 
     private readonly IWorkspace workspace;
     private readonly ModpackFactory factory = new();
@@ -117,4 +117,10 @@ public partial class UpdatesCollectorUi : RadForm
             UpdateUpdatesItem(radListView_Updates.SelectedItem);
         }
     }
+
+    private void RadListView_Updates_ItemRemoved(object sender, ListViewItemEventArgs e)
+    {
+        if (e.Item?.Value is ModUpdateInfo update && CurrentUpdates is not null && CurrentUpdates.List.Contains(update))
+            CurrentUpdates.List.Remove(update);
+    }
 }