Set suggestion_path variable for FOSS

app/views/devise/registrations/new.html.haml

@@ -2,5 +2,9 @@
 - add_page_specific_style 'page_bundles/signup'
 
 .signup-page
-  = render 'devise/shared/signup_box', url: registration_path(resource_name), button_text: _('Register'), show_omniauth_providers: omniauth_enabled? && button_based_providers_enabled?
+  = render 'devise/shared/signup_box',
+    url: registration_path(resource_name),
+    button_text: _('Register'),
+    show_omniauth_providers: omniauth_enabled? && button_based_providers_enabled?,
+    suggestion_path: nil
   = render 'devise/shared/sign_in_link'