Enemies with projectiles cancel attacks if stepped out of range

This seems to happen with most projectile enemies, Ewecus, Mactusk, Bishops, etc.

Once you step out of their range, they'll cancel their attack, resulting in an animation that looks like it failed to properly go through.

It comes off a bit unpolished. I'd imagine they could either go through with their attack until out of aggro distance, and/or they use a taunt/dismissive animation rather.