PB-290: Image Content Type Fails to Render in Admin Through Block/Dynamic Block

 - fix static test failure

Author: cspruiell

app/code/Magento/PageBuilder/Model/Filter/Template.php

@@ -94,7 +94,7 @@ public function filter(string $result) : string
                 // restore any encoded directives
                 $docHtml = preg_replace_callback(
                     '/=\"(%7B%7B[^"]*%7D%7D)\"/m',
-                    function($matches) {
+                    function ($matches) {
                         return urldecode($matches[0]);
                     },
                     $docHtml