Provide a link in the notification mail about deleting entities

When deleting entities: comments, topics, answers, in the notification mail, just the content of the entity is mentioned.
There is no way to link back to the wiki.

Use case:
A. the deleted content needs to be restored. We could provide the link to the Recycle Bin in order to visualise what has been deleted, ex 'http://localhost:8080/xwiki/bin/view/Forums_XWiki/Topic?viewer=recyclebin&id=3'