Updated content controller to hide save button (#7318)

src/Umbraco.Web.UI.Client/src/common/directives/components/content/edit.controller.js

@@ -287,6 +287,8 @@
                 $scope.page.showSaveButton = true;
                 // add ellipsis to the save button if it opens the variant overlay
                 $scope.page.saveButtonEllipsis = content.variants && content.variants.length > 1 ? "true" : "false";
+            } else {
+                $scope.page.showSaveButton = false;
             }
 
             // create the pubish combo button