Context menu does not appear over waypoint

When right clicking a waypoint, the context menu appears in the top left rather than where the user right clicked. This could make it unclear which waypoint has been selected.

<img width="609" height="473" alt="Image" src="https://github.com/user-attachments/assets/af5554ef-613a-4a33-9961-46ddf019c7e3" />