Added menu option to create a blank report on a digital form

inabox.wpf/DigitalForms/DigitalFormReportGrid.cs

@@ -168,6 +168,8 @@ namespace InABox.DynamicGrid
                 {
                     menu.AddItem($"{layout.Code}: {layout.Description}", null, layout, AddLayout);
                 }
+                menu.AddSeparatorIfNeeded();
+                menu.AddItem("Create blank report", null, () => base.DoAdd());
                 menu.IsOpen = true;
             }
         }