FIX: php 8 compatibility

public_html/deployment/classes/user.class.php

@@ -201,7 +201,8 @@ class user {
      */
     public function showDenied(){
         return '<div class="alert alert-danger" role="alert">'
-        . ($this->_sUsername ? ' User: '.$this->_sUsername : ''
+        . ($this->_sUsername ? ' User: '.$this->_sUsername : '')
+        . ($this->_sUsername 
             ? t("class-user-error-deny-no-role").'<br>('.$this->_sLastCheckedPermission.')'
             : t("class-user-error-login-required")
         )