Use template name as file name for example CSV
Use template name as file name for example CSV

`11.csv` or `9a1d8a7f-c202-43b9-9239-68939d34fec6.csv` is not very friendly.

`Two week reminder.csv` is much nicer.

gov-cjwaszczuk/notifications-admin,alphagov/notifications-admin,alphagov/notifications-admin,gov-cjwaszczuk/notifications-admin,gov-cjwaszczuk/notifications-admin,alphagov/notifications-admin,gov-cjwaszczuk/notifications-admin,alphagov/notifications-admin