Check title length

src/freedombone-utils-interactive

@@ -221,7 +221,8 @@ function interactive_site_details_with_title {
                 fi
             fi
         fi
-        if [ ${!SITE_TITLE} ]; then
+        site_title_str="${!SITE_TITLE}"
+        if [ ${#site_title_str} -gt 0 ]; then
             if [ ${!SITE_DOMAIN_NAME} ]; then
                 SITE_DETAILS_COMPLETE="yes"
             fi