ensure any locale in sys is applied to built metadata

Author: Douglas Greenshields

src/ResourceBuilder.php

@@ -272,6 +272,9 @@ function () use ($sys, $buildFromData) {
                 if (isset($sys['updatedAt'])) {
                     $metadata->setUpdatedAt(new \DateTime($sys['updatedAt']));
                 }
+                if (isset($sys['locale'])) {
+                    $metadata->setLocale($sys['locale']);
+                }
 
                 yield $metadata;
             }