Merge pull request #7630 from kjac/v8/fix/nested-content-single-mode-add-more-than-one

V8: Nested Content can't add multiple items

src/Umbraco.Web.UI.Client/src/views/propertyeditors/nestedcontent/nestedcontent.controller.js

@@ -221,6 +221,7 @@
             if (vm.overlayMenu.availableItems.length === 1 && vm.overlayMenu.pasteItems.length === 0) {
                 // only one scaffold type - no need to display the picker
                 addNode(vm.scaffolds[0].contentTypeAlias);
+                vm.overlayMenu = null;
                 return;
             }