Add active state on submissions link

client/src/components/modules/ModuleNavigation.vue

@@ -30,6 +30,7 @@
             v-for="assignment in module.assignments"
             :key="assignment.id"
             class="module-navigation__anchor"
+            exact-active-class="module-navigation__anchor--active"
           >{{assignment.title}}
           </router-link>
         </div>

server/assignments/schema/types.py

@@ -23,5 +23,6 @@ class AssignmentNode(DjangoObjectType):
     def resolve_submission(self, info, **kwargs):
         return self.submissions.filter(student=info.context.user).first()  #  returns None if it doesn't exist yet
 
+    #todo: restrict for students
     def resolve_submissions(self, info, **kwargs):
-        return self.submissions.all()
+        return self.submissions.all()