ID 155958 - Spline/Roto keys are unable to be copy/pasted in the Dope Sheet

Problem summary:
Spline/Roto keys are unable to be copy/pasted in the Dope Sheet.

Customer reported version:
nuke.11.3v2

Customer reported platform:
10.13

Steps to reproduce:

1) In Nuke create a Roto node.

2) Click in the Viewer to create a Bezier/Spline.

3) Move the timeline to another frame and create another keyframe for the Bezier/Spline.

4) Open the Dope Sheet and select the current keyframes.

5) Copy the keyframes and attempt to paste them further on the timeline, either with Ctrl+C/Ctrl+V or using the Edit > Copy/Paste menu.

Expected behavior:
The keyframes should be copied and pasted when using the hotkeys or Edit sub-menu items.

Actual behavior:
An error for "no curves selected" is given and the keys are not copied or pasted.

Workaround:
There is no workaround available at this time.

Reproduced by Support in:
Nuke 11.3v4 - Windows 10, CentOS 7, macOS 10.13 High

Nuke 11.3v1 - Windows 10

Nuke 11.2v1 - Windows 10

Nuke 11.1v1 - Windows 10

Nuke 11.0v1 - Windows 10

Nuke 10.5v1 - Windows 10

Nuke 10.0v1 - Windows 10

Nuke 9.0v1 - Windows 10

Nuke 8.0v1 - Windows 10, CentOS 7, macOS 10.13 High Sierra

Earliest version tested

Nuke 8.0v1 - This issue appears to be in all versions of the product