Fix SSL not found + php error on login page. (hestiacp#3404)

* Add missing "SSL_HSTS" to syshealth

* Fix php warning user_plain not set

Author: jaapmarcus

func/syshealth.sh

@@ -52,7 +52,7 @@ function syshealth_update_web_config_format() {
 	# WEB DOMAINS
 	# Create array of known keys in configuration file
 	system="web"
-	known_keys="DOMAIN IP IP6 CUSTOM_DOCROOT CUSTOM_PHPROOT FASTCGI_CACHE FASTCGI_DURATION ALIAS TPL SSL SSL_FORCE SSL_HOME LETSENCRYPT FTP_USER FTP_MD5 FTP_PATH BACKEND PROXY PROXY_EXT STATS STATS_USER STATS_CRYPT REDIRECT REDIRECT_CODE AUTH_USER AUTH_HASH SUSPENDED TIME DATE"
+	known_keys="DOMAIN IP IP6 CUSTOM_DOCROOT CUSTOM_PHPROOT FASTCGI_CACHE FASTCGI_DURATION ALIAS TPL SSL SSL_FORCE SSL_HSTS SSL_HOME LETSENCRYPT FTP_USER FTP_MD5 FTP_PATH BACKEND PROXY PROXY_EXT STATS STATS_USER STATS_CRYPT REDIRECT REDIRECT_CODE AUTH_USER AUTH_HASH SUSPENDED TIME DATE"
 	write_kv_config_file
 	unset system
 	unset known_keys

web/inc/main.php

@@ -145,6 +145,9 @@ function ipUsed() {
 	$user = quoteshellarg($_SESSION["look"]);
 	$user_plain = htmlentities($_SESSION["look"]);
 }
+if (empty($user_plain)) {
+	$user_plain = "";
+}
 
 require_once dirname(__FILE__) . "/i18n.php";