ISTWCMS-6203: fixing getting the correct author

src/Service/UwNodeFieldValue.php

@@ -667,7 +667,7 @@ class UwNodeFieldValue {
 
     // If there is no author in the field, get the owner
     // of the blog post.
-    if (!$node->field_author) {
+    if (!$node->field_author->value) {
 
       // Set the author to the person who made blog.
       $author = [