Request to add "Delete all messages" to postfix queue page

Currently you can select and delete only 20 messages at once on Postfix management UI page and only the Flash Mail Queue button to force the immediate delivery of all messages, which might not be always the desired action. Especially when there is a spamming case and user has thousands of messages and wants not to deliver, but to delete all the messages at once. On CLI it takes to just launch the postsuper -d ALL command, however for usability purpose it would be nice to also have a possibility to ditch all the messages in Postfix queue on Virtualmin UI. It could be an additional button for deleting all messages at once or enabling user to select all messages at once and then use the already available Delete All Messages. Thanks for consideration.