Add contact e-mail hint to 2FA login form (#7376)

app/views/auth/sessions/two_factor.html.haml

@@ -2,9 +2,12 @@
   = t('auth.login')
 
 = simple_form_for(resource, as: resource_name, url: session_path(resource_name), method: :post) do |f|
-  = f.input :otp_attempt, type: :number, placeholder: t('simple_form.labels.defaults.otp_attempt'), input_html: { 'aria-label' => t('simple_form.labels.defaults.otp_attempt'), :autocomplete => 'off' }, required: true, autofocus: true, hint: t('simple_form.hints.sessions.otp')
+  %p.hint{ style: 'margin-bottom: 25px' }= t('simple_form.hints.sessions.otp')
+
+  = f.input :otp_attempt, type: :number, placeholder: t('simple_form.labels.defaults.otp_attempt'), input_html: { 'aria-label' => t('simple_form.labels.defaults.otp_attempt'), :autocomplete => 'off' }, required: true, autofocus: true
 
   .actions
     = f.button :button, t('auth.login'), type: :submit
 
-.form-footer= render 'auth/shared/links'
+  - if Setting.site_contact_email.present?
+    %p.hint.subtle-hint= t('users.otp_lost_help_html', email: mail_to(Setting.site_contact_email, nil))

config/locales/en.yml

@@ -827,5 +827,6 @@ en:
   users:
     invalid_email: The e-mail address is invalid
     invalid_otp_token: Invalid two-factor code
+    otp_lost_help_html: If you lost access to both, you may get in touch with %{email}
     seamless_external_login: You are logged in via an external service, so password and e-mail settings are not available.
     signed_in_as: 'Signed in as:'

config/locales/simple_form.en.yml

@@ -19,7 +19,7 @@ en:
       imports:
         data: CSV file exported from another Mastodon instance
       sessions:
-        otp: Enter the Two-factor code from your phone or use one of your recovery codes.
+        otp: 'Enter the two-factor code generated by your phone app or use one of your recovery codes:'
       user:
         filtered_languages: Checked languages will be filtered from public timelines for you
     labels: