Fixed Main Window Stock Summary button visibility

prs.desktop/MainWindow.xaml.cs

@@ -779,7 +779,7 @@ namespace PRSDesktop
                         SetVisibility(ProductsMasterList, Security.CanView<Product>());
                         SetVisibility(StockLocationList, Security.CanView<StockLocation>());
                         SetVisibility(StockMovementList, Security.CanView<StockMovement>());
-                        SetVisibility(StockSummaryButton, Security.CanView<JobMaterial>());
+                        SetVisibility(StockSummaryButton, Security.CanView<Product>() && Security.CanView<JobMaterial>());
 
                         SetVisibleIfEither(ProductsTaskSeparator,
                             new FrameworkElement[]