446631 Workaround KisPaintOpOptionListModel sorting "bug"
Test Plan
Check that the Airbrush option is now sitting first among the Color options of a MyPaint brush.
Formalities Checklist
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I confirmed this builds. -
I confirmed Krita ran and the relevant functions work. -
I tested the relevant unit tests and can confirm they are not broken. (If not possible, don't hesitate to ask for help!) -
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