Don't track history for documents

When visiting the documents we don't want to track these in the history
stack as they're opened in new tabs, and therefore once closed shouldn't
have affected the history.

app/controllers/teacher_interface/uploads_controller.rb

@@ -12,6 +12,7 @@ class UploadsController < BaseController
     skip_before_action :authenticate_teacher!
     before_action -> { authenticate_or_redirect(:teacher) }
 
+    skip_before_action :track_history, only: :show
     before_action :redirect_unless_draft_or_additional_information
     before_action :load_application_form
     before_action :load_document