Add getPermalink to automation WP functions

[MAILPOET-6477]

mailpoet/lib/Automation/Engine/WordPress.php

@@ -122,6 +122,15 @@ class WordPress {
     return get_option($optionName, $default);
   }
 
+  /**
+   * @param int|\WP_Post $post
+   * @param bool $leavename
+   * @return string|false
+   */
+  public function getPermalink($post, bool $leavename = false) {
+    return get_permalink($post, $leavename);
+  }
+
   /**
    * @return string[]
    */