Error when closing the viewer

[DanicaSTFC]

2024-08-29 15:23:07.548 (   7.184s) [                ]vtkWin32OpenGLRenderWin:102    ERR| vtkWin32OpenGLRenderWindow (0000021C0E47D000): wglMakeCurrent failed in Clean(), error: 6

The vtk objects do not seem to be destroyed properly before the window of the app is closed.

Possible solution is #226 (comment)

[lauramurgatroyd]

This is a duplicate of #226

[DanicaSTFC]

This is a duplicate of #226

Is it? 226 says "The handle is invalid", this is "failed in Clean()"

[paskino]

Solution #226 (comment)