Endless looping Transition on Debug

Changes to conditional transitions rather than event based transition lead to continual looping of stylus down transition until stylus event state is updated. 

[link](https://github.com/pixelmaid/DynamicBrushes/blob/eabbe39bb1b296ae2fb7eb3218e54d4dedd72661/swift/DynamicBrushes/models/brushes/Brush.swift#L619)