Fixed bug where deletes of artifact groupings would not cascade

OpenArchival.Blazor.ArtifactGroupingDisplay/Areas/MyFeature/Pages/Page1.cshtml.cs

@@ -0,0 +1,13 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace OpenArchival.Blazor.ArtifactGroupingDisplay.MyFeature.Pages
+{
+    public class Page1Model : PageModel
+    {
+        public void OnGet()
+        {
+
+        }
+    }
+}