Duplicated landscape splines revert all their deleted points

Summary

After making a spline and deleting some of its points, after you duplicate the spline they all come back and its very annoying for level design to have to re-delete and remake the spline everytime you duplicate it.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

UI/Tools

Steps to Reproduce

Add a landscape spline
Add 5 more points
Exit to selection mode
Go back to Landscape mode and delete one of the middle points, then join the rest
Exit to selection mode
Click on spline and press Ctrl + D to duplicate

Expected Result

Duplicated spline is identical to the first one

Observed Result

Duplicated spline also has the deleted spline points

Platform(s)

PC