[3dprinter-general] Bug#975705: cura lost all information and will not continue wizard

[Christoph Berg]

Control: tags -1 confirmed

Re: RA
> Since the update on 22. 11. 2020 cura is not usable any more. It is stuck in
> the wizard which I had to go through again at choosing the 3d printer.
> 
> Before I printed normally but since the update nothing goes anymore.

Ack, I can confirm the regression on one machine here. The other one
is fine with cura already on 4.8. Will see to upload that asap even if
the tests aren't stable there yet.

Christoph