adjust email templates

spec/mailers/previews/submitter_mailer_preview.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class SubmitterMailerPreview < ActionMailer::Preview
+  def invitation_email
+    SubmitterMailer.invitation_email(Submitter.last)
+  end
+
+  def completed_email
+    submitter = Submitter.where.not(completed_at: nil).joins(:documents_attachments).last
+
+    SubmitterMailer.completed_email(submitter, User.last)
+  end
+
+  def documents_copy_email
+    submitter = Submitter.where.not(completed_at: nil).joins(:documents_attachments).last
+
+    SubmitterMailer.documents_copy_email(submitter)
+  end
+end