Empty subject if any non-latin characters used

there patch https://www.drupal.org/project/maillog/issues/3331181 🐛 Empty subject if any non-latin characters used Needs review

Thanks worked for using non Latin language (Greek) unlike the patch in #3323286

Going to combine this into 🐛 Notice: iconv_mime_decode(): Detected an illegal character in input string in Maillog->mail() Active .