change selected identifier for block chooserwidget

Author: brosenberger

app/code/Magento/Cms/Block/Adminhtml/Block/Widget/Chooser.php

@@ -100,7 +100,7 @@ public function getRowClickCallback()
         $js = '
             function (grid, event) {
                 var trElement = Event.findElement(event, "tr");
-                var blockId = trElement.down("td").innerHTML.replace(/^\s+|\s+$/g,"");
+                var blockId = trElement.down("td").next().next().innerHTML.replace(/^\s+|\s+$/g,"");
                 var blockTitle = trElement.down("td").next().innerHTML;
                 ' .
             $chooserJsObject .