fix checking custom field value in hook 2
fix checking custom field value in hook 2

pawwal/redmine_undev_git,Restream/redmine_undev_git,Restream/redmine_undev_git,Undev/redmine_undev_git,pawwal/redmine_undev_git,Undev/redmine_undev_git,Undev/redmine_undev_git,Restream/redmine_undev_git,pawwal/redmine_undev_git