The category is changed after constructing by the QML code in order to set its property.
This is now updating twice: Once for the default category and once for the final one set by QML. This is a bit inefficient. But make it work before optimising it!
Contributes to issue CURA-6597.
We don't want the profiles, because that'd be specific to one extruder. We want the quality types and intent categories as tuples again.
Contributes to issue CURA-6597.
