dashboard: link parent in tempate form

previous way was kinda ugly

circle/dashboard/templates/dashboard/template-edit.html

@@ -23,18 +23,15 @@
         {% csrf_token %}
 
         {{ form.name|as_crispy_field }}
-        <a {% if form.parent.value %}
-            href="{% url "dashboard.views.template-detail" pk=form.parent.value %}" 
-           {% else %}
-            disabled %}
-          {% endif %}
-          class="btn btn-default pull-right" style="margin-top: 24px;">
-          {% trans "Visit" %}
-          <i class="fa fa-arrow-circle-right"></i>
-        </a> 
-        <div style="width: 80%;">
-        {{ form.parent|as_crispy_field }}
-        </div>
+
+        <strong>{% trans "Parent template" %}:</strong>
+        {% if parent %}
+        <a href="{% url "dashboard.views.template-detail" pk=parent.pk %}">
+          {{ parent.name }}
+        </a>
+        {% else %}
+          -
+        {% endif %}
 
         <fieldset class="resources-sliders">
           <legend>{% trans "Resource configuration" %}</legend>

circle/dashboard/views/template.py

@@ -300,6 +300,7 @@ class TemplateDetail(LoginRequiredMixin, SuccessMessageMixin, UpdateView):
         context['disks'] = obj.disks.all()
         context['is_owner'] = obj.has_level(self.request.user, 'owner')
         context['aclform'] = AclUserOrGroupAddForm()
+        context['parent'] = obj.parent
         return context
 
     def get_success_url(self):