use tag for testing

InvenTree/templates/account/password_reset.html

@@ -7,13 +7,14 @@
 {% block content %}
 
 {% settings_value 'LOGIN_ENABLE_PWD_FORGOT' as enable_pwd_forgot %}
+{% mail_configured as mail_conf %}
 
     <h1>{% trans "Password Reset" %}</h1>
     {% if user.is_authenticated %}
     {% include "account/snippets/already_logged_in.html" %}
     {% endif %}
 
-    {% if enable_pwd_forgot %}
+    {% if mail_conf and enable_pwd_forgot %}
     <p>{% trans "Forgotten your password? Enter your e-mail address below, and we'll send you an e-mail allowing you to reset it." %}</p>
 
     <form method="POST" action="{% url 'account_reset_password' %}" class="password_reset">