The latest beta includes this functionality. Please try it out and provide feedback in the linked thread (about the beta program):
https://community.sharptools.io/t/instant-switches-and-spacer-improvements/1932?u=josh
When you tap on the color picker, it will toggle the light on/off by default. And you now have a tile setting of choosing what happens when you tap on the tile - open the color picker/dimmer or toggle the light. We’ve also added a new long-press action that brings up the color picker/dimmer.