Improved click-drag brush response

[Grum999]

There’s already this one, it seems to be the same feature request?

A request for shift-drag brush resizing

I’m not sure how complicated this can be on the code level but the idea is simple : The size changing amount becomes smaller as the brush size becomes smaller. Need for this is that it becomes harder to adjust the brush size precisely in small sizes. I remember suggesting (general) minimum brush width feature in the past for the sake of this but I think now that this way would be better.

Grum999