Quantizer initial state not reflected in umenu

[isabelgk]

When instantiating the Quantizer module, the kslider won't reflect the C Ionian scale until that scale is again selected in the umenu. It may make more sense to have chromatic as the default umenu option or to make the default kslider view be the C Ionian scale.

[stretta]

The current implementation is admittedly confusing. The kslider is the 'working' model, and the umenus are presets that can be loaded onto the kslider. Initializing the quantizer as chromatic may fix the initial problem, but if a preset is selected, and then the kslider is edited, it would be helpful if the umenu displayed itself as dirty in some way to indicate it is not current. I suggest an italicization of a dirty preset.

[stretta]

This one should be tested.