Use translation for none in reports

config/locales/en.yml

@@ -1760,6 +1760,7 @@ en:
       email_confirmation: "Email confirmation is pending. We've sent a confirmation email to %{email}."
       not_visible: "%{enterprise} is not visible and so cannot be found on the map or in searches"
     reports:
+      none: none
       deprecated: "This report is deprecated and will be removed in a future release."
       hidden: HIDDEN
       unitsize: UNITSIZE

lib/reporting/report_row_builder.rb

@@ -79,7 +79,7 @@ module Reporting
 
     # rubocop:disable Metrics/CyclomaticComplexity
     def format_cell(value, column = nil)
-      return "none" if value.nil?
+      return I18n.t("admin.reports.none") if value.nil?
 
       # Currency
       if report.columns_format[column] == :currency