Make sure the account reset email goes to the correct site

opentech/apply/users/templates/users/password_reset/email.txt

 {% load i18n wagtailadmin_tags %}{% base_url_setting as base_url %}
 {% trans "Please follow the link below to reset your password:" %}
-{% if base_url %}{{ base_url }}{% else %}{{ protocol }}://{{ domain }}{% endif %}{% url 'users:password_reset_confirm' uidb64=uid token=token %}
+{% if site.root_url %}{{ site.root_url }}{% else %}{{ base_url }}{% endif %}{% url 'users:password_reset_confirm' uidb64=uid token=token %}
 
 {% if user.USERNAME_FIELD != "email" %}
 {% trans "Your username (in case you've forgotten):" %} {{ user.get_username }}