Fixed linting error for new rule that prevents wrapping method arguments in brackets

Author: ryanb-gds

app/helpers/application_helper.rb

@@ -1,6 +1,7 @@
 module ApplicationHelper
   def edition_edit_link(edition)
-    link_to((edition.draft? ? "edit" : "view details"), edit_admin_edition_path(edition), class: "govuk-link")
+    link_content = edition.draft? ? "edit" : "view details"
+    link_to(link_content, edit_admin_edition_path(edition), class: "govuk-link")
   end
 
   def preview_edition_link(edition, short, options = {})