Add action for copy activity
We do have copy action on various entities like Contribution Page, Events. It might be handy to have the same for _Activity _as well.
Also provide Save as New feature/ when clicked we can have a new activity created with additional tweaks based on a pre-existing activity. This would come esp handy for activities which have lots of Activity Contacts/Targets/assignees and custom dat awith the original activity acting as a template.