No playstyle+ filter

In the Evolution builder, especially now during the FS promo (but in general, actually), it would be nice if we could filter for no PlayStyle+.

Right now, many evolutions give a PlayStyle+, and if a player already has a PlayStyle+, that evolution goes 1) to waste and 2), that particular PlayStyle+ is not applied.

Please note, this is NOT an exclude a particular PlayStyle+ filter, it is a No/0 PlayStyle+ filter.

I guess in relation to this, a max number of normal PlayStyle filter would also make sense. Could be a slider as in the max number of steps in chain slider, and it goes from:

[0; max number of PlayStyles a player can have]