Fixes 204. Not sure if it's the best solution but it makes sense to call the...

Fixes 204. Not sure if it's the best solution but it makes sense to call the web.views.workers the same way it's done in the sidebar

smash/web/templates/doctors/breadcrumb.html

 <li><a href="{% url 'web.views.appointments' %}"><i class="fa fa-dashboard"></i> Dashboard</a></li>
-<li class="active"><a href="{% url 'web.views.workers' worker_type %}">Workers</a></li>
+<li class="active"><a href="{% url 'web.views.workers' %}">Workers</a></li>
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