Display content warning in mail notification emails (#6832)

app/views/notification_mailer/_status.html.haml

@@ -24,6 +24,11 @@
                                       %bdi= display_name(status.account)
                                       = "@#{status.account.acct}"
 
+                              - if status.spoiler_text?
+                                %div{ dir: rtl_status?(status) ? 'rtl' : 'ltr' }
+                                  %p
+                                    = Formatter.instance.format_spoiler(status)
+
                               %div{ dir: rtl_status?(status) ? 'rtl' : 'ltr' }
                                 = Formatter.instance.format(status)
 

app/views/notification_mailer/_status.text.erb

+<% if status.spoiler_text? %>
+<%= raw status.spoiler_text %>
+----
+
+<% end %>
 <%= raw Formatter.instance.plaintext(status) %>
 
 <%= raw t('application_mailer.view')%> <%= web_url("statuses/#{status.id}") %>