Add option for one off in request to go live

When we first made this form you couldn’t send one off messages with
Notify. It’s interesting to us because it might help identity teams who
would benefit from email auth, or other features that we build in the
future for caseworkers.

app/main/views/service_settings.py

@@ -165,7 +165,8 @@ def service_request_to_go_live(service_id):
                 '\nOrganisation type: {} ({:,} free text messages)'
                 '\nMOU in place: {}'
                 '\nChannel: {}\nStart date: {}\nStart volume: {}'
-                '\nPeak volume: {}\nUpload or API: {}'
+                '\nPeak volume: {}'
+                '\nFeatures: {}'
             ).format(
                 current_service['name'],
                 url_for('main.service_dashboard', service_id=current_service['id'], _external=True),
@@ -180,7 +181,11 @@ def service_request_to_go_live(service_id):
                 form.start_date.data,
                 form.start_volume.data,
                 form.peak_volume.data,
-                form.upload_or_api.data
+                formatted_list(filter(None, (
+                    'one off' if form.method_one_off.data else None,
+                    'file upload' if form.method_upload.data else None,
+                    'API' if form.method_api.data else None,
+                )), before_each='', after_each='')
 
             )
         }