use t for the validation alert

src/server/views/admin/widget/passport/saml.html

@@ -53,12 +53,12 @@
   <fieldset id="passport-saml-hide-when-disabled" {%if !isSamlEnabled %}style="display: none;"{% endif %}>
 
     {% set missingMandatoryConfigKeys = getSamlMissingMandatoryConfigKeys() %}
-    {% if isSamlEnabled && missingMandatoryConfigKeys.length !== 0 %}
+    {% if missingMandatoryConfigKeys.length !== 0 %}
     <div class="alert alert-danger">
       {{ t("security_setting.missing mandatory configs") }}
       <ul>
         {% for missingMandatoryConfigKey in missingMandatoryConfigKeys %}
-        <li>{{ missingMandatoryConfigKey }}</li>
+        <li>{{ t("security_setting.form_item_name." + missingMandatoryConfigKey) }}</li>
         {% endfor %}
       </ul>
     </div>