Merge pull request #8574 from umbraco/v8/bugfix/block-list-append-drag-class-again

append lost drag class

src/Umbraco.Web.UI.Client/src/views/propertyeditors/blocklist/umb-block-list-row.html

@@ -3,6 +3,7 @@
 
         <umb-block-list-block stylesheet="{{::vm.layout.$block.config.stylesheet}}"
                               class="umb-block-list__block--content"
+                              ng-class="{'blockelement__draggable-element': vm.layout.$block.config.stylesheet}"
                               view="{{vm.layout.$block.view}}"
                               api="vm.blockEditorApi"
                               block="vm.layout.$block"