MC-3790: Automate MFTF

Author: nathanjosiah

app/code/Magento/PageBuilder/view/adminhtml/web/js/content-type/block/preview.js

@@ -59,7 +59,9 @@ export default class Preview extends BasePreview {
     public processBlockData(data: DataObject): void {
         // Only load if something changed
         this.displayPreviewPlaceholder(data, "block_id");
-        this.processRequest(data, "block_id", "title");
+        if (data.block_id && data.template.length != 0) {
+            this.processRequest(data, "block_id", "title");
+        }
     }
 
     /**