[PP-1] Can't toggle boolean prop back to true after changing to false

I already reported this over at #3463842-6: [META] Redux sync on ALL prop types, not just ones with a single [value] property → , where @bnjmnm is devising next steps. Linking this there.

Let's wait for @bnjmnm to reach a conclusion in 🌱 [META] Redux sync on ALL prop types, not just ones with a single [value] property Active first.