Pass log_type to complete log template (#1666)

app/mailers/bulk_upload_mailer.rb

@@ -70,6 +70,7 @@ class BulkUploadMailer < NotifyMailer
         upload_timestamp: bulk_upload.created_at.to_fs(:govuk_date_and_time),
         success_description:,
         logs_link: url,
+        log_type: bulk_upload.log_type,
       },
     )
   end

spec/mailers/bulk_upload_mailer_spec.rb

@@ -44,6 +44,7 @@ RSpec.describe BulkUploadMailer do
         personalisation: {
           title: "You’ve successfully uploaded 0 logs",
           filename: bulk_upload.filename,
+          log_type: "lettings",
           upload_timestamp: bulk_upload.created_at.to_fs(:govuk_date_and_time),
           success_description: "The lettings 2022/23 data you uploaded has been checked. The 0 logs you uploaded are now complete.",
           logs_link: lettings_logs_url("[years][]" => "", "[status][]" => "", user: :all, organisation_select: :all),