Bug fix: template breadcrumb

The URL in the breadcrumb was calling the app `name` instead of the
`docker_name` creating errors when an app was using several words in it
and therefore not corresponding to the `docker_name` anymore. This is
now fixed.

Signed-off-by: Matthieu Berjon <matthieu.berjon@inria.fr>

django/allgo/templates/webapp_sandbox_panel.html

@@ -5,7 +5,7 @@
 
 {% block breadcrumb %}
 <li class="breadcrumb-item"><a href="{% url 'main:webapp_list' %}">Applications</a></li>
-<li class="breadcrumb-item"><a href="{% url 'main:webapp_detail' webapp.name %}">{{ webapp.name | fancy_webapp_name | title}}</a></li>
+<li class="breadcrumb-item"><a href="{% url 'main:webapp_detail' webapp.docker_name %}">{{ webapp.name | fancy_webapp_name | title}}</a></li>
 <li class="breadcrumb-item active" aria-current="page">Sandbox</li>
 {% endblock %}