Fix moderator leak in undo_mark_statuses_as_sensitive (#18525)

Signed-off-by: Eugen Rochko <eugen@zeonfederated.com>

Co-authored-by: 40826d <74816220+40826d@users.noreply.github.com>

app/services/approve_appeal_service.rb

@@ -52,8 +52,9 @@ class ApproveAppealService < BaseService
   end
 
   def undo_mark_statuses_as_sensitive!
+    representative_account = Account.representative
     @strike.statuses.includes(:media_attachments).each do |status|
-      UpdateStatusService.new.call(status, @current_account.id, sensitive: false) if status.with_media?
+      UpdateStatusService.new.call(status, representative_account.id, sensitive: false) if status.with_media?
     end
   end