Fix missing terms of services link (#35115)

app/controllers/api/v1/instances/terms_of_services_controller.rb

@@ -15,8 +15,9 @@ class Api::V1::Instances::TermsOfServicesController < Api::V1::Instances::BaseCo
       if params[:date].present?
         TermsOfService.published.find_by!(effective_date: params[:date])
       else
-        TermsOfService.live.first || TermsOfService.published.first! # For the case when none of the published terms have become effective yet
+        TermsOfService.current
       end
     end
+    not_found if @terms_of_service.nil?
   end
 end