Not possible to select `KB` model scaling from the simple tab

[dagewa]

KB is apparently the default, because it is first in dials.scale's option list.

But dials.scale does not actually set a default in its PHIL options. As a result, if you select KB, DUI assumes you mean "do the default", so you actually get physical (at least for MX data).

[dagewa]

Quickest solution is probably to change the order of these so that "physical" is first:

DUI/src/dui/simpler_param_widgets.py

Line 483 in af231bc

box_mod = DefaultComboBox("model", ["KB", "array", "dose_decay", "physical"])

but in general this stuff is fragile

[dagewa]

That's probably the wrong solution though. Better would be to prepend a dummy "Auto" option to the list.