Don’t pass entire job thru to notifications page

It only needs the `id`, and it only needs that to generate the download
URL, so let’s just pass the URL through instead.

app/main/views/jobs.py

@@ -299,7 +299,6 @@ def get_job_partials(job):
 
     filter_args = _parse_filter_args(request.args)
     _set_status_filters(filter_args)
-
     return {
         'counts': render_template(
             'partials/jobs/count.html',
@@ -309,11 +308,15 @@ def get_job_partials(job):
         ),
         'notifications': render_template(
             'partials/jobs/notifications.html',
-            job=job,
             notifications=notification_api_client.get_notifications_for_service(
                 job['service'], job['id'], status=filter_args.get('status')
             )['notifications'],
-            status=request.args.get('status', ''),
+            download_link=url_for(
+                '.view_job_csv',
+                service_id=current_service['id'],
+                job_id=job['id'],
+                status=request.args.get('status', '')
+            ),
             help=get_help_argument()
         ),
         'status': render_template(

app/templates/partials/jobs/notifications.html

@@ -6,7 +6,7 @@
 
   {% if notifications and not help %}
     <p class="bottom-gutter">
-      <a href="{{ url_for('.view_job_csv', service_id=current_service.id, job_id=job.id, status=status) }}" download="download" class="heading-small">Download this report</a>
+      <a href="{{ download_link }}" download="download" class="heading-small">Download this report</a>
       &emsp;
       <span id="time-left">Available for 7 days</span>
     </p>