Duplicate buttons in the skeleton point configuration window

[SpecLad]

Actions before raising this issue

• I searched the existing issues and did not find anything similar.
• I read/searched the docs

Steps to Reproduce

1. Go to Projects -> Create a new project.
2. Click "Setup skeleton".
3. Add a new point.
4. Right-click the point and choose "Configure".

In the resulting dialog, there are two sets of buttons: "Done" & "Cancel", and "Cancel" & "OK". The latter don't do anything when clicked.

Expected Behavior

There should only be one set of buttons.

Possible Solution

No response

Context

No response

Environment

Reproducible with version 2.27.0.