Correct html titles for emails app (#3627)

This is part of Task 2 under issue
#3556 aiming to make
sure the titles are clear and correct.

Each app will have a PR to make sure titles are clear and correct for
all pages that have breadcrumbs as described in issue
#3556

app/grandchallenge/emails/templates/emails/email_form.html

@@ -2,7 +2,7 @@
 {% load crispy_forms_tags %}
 
 {% block title %}
-    {% if object %}Update{% else %}Create{% endif %} -{% if object %} {{ object }} -{% endif %} {{ block.super }}
+    {{ object|yesno:"Update,Create Email" }} {% if object %} - {{ object }} {% else %} - Emails {% endif %} - {{ block.super }}
 {% endblock %}
 
 {% block breadcrumbs %}
@@ -11,7 +11,7 @@
         {% if object %}
             <li class="breadcrumb-item"><a href="{{ object.get_absolute_url }}">{{ object }}</a></li>
         {% endif %}
-        <li class="breadcrumb-item active">{% if object %}Update{% else %}Create{% endif %}</li>
+        <li class="breadcrumb-item active">{{ object|yesno:"Update,Create Email" }}</li>
     </ol>
 {% endblock %}