The flags were converted with96e549c092, but the new values only used the new `Brush` level properties inb472570875. Additionally, the `CurveMapping` structs were not initialized inside the various operations that depended on them, potentially leading to a crash if custom curves are used. This commit fixes what was missing from both previous commitsL * Conversion of the HSV jitter values and their curves to the new storage location. * Correct initialization in relevant operators Pull Request: https://projects.blender.org/blender/blender/pulls/142104