To create a new task with all the same details as another task, right-click on the task in the sidebar to open the context menu and select the Clone option:
Alternatively, you can also open the task by double-clicking it on the map or sidebar and selectat the bottom left corner.
Next, select which data you would like to copy to the cloned task.
Note that the recipient and destination are always retained. Complete After/Before times are also carried over if that time hasn't already passed.
Finally, all metadata associated with the original task will also be carried over when that task is cloned.
Your newly cloned task will appear in the unassigned section of the sidebar.