When I try to edit the text here:
It replaces the quotes (") with smart quotes (”) because that's what Steve Jobs would have wanted. Unfortunately, that is not valid JSON.
Anyway, the editor is here: https://github.com/twostraws/ControlRoom/blob/main/ControlRoom/Simulator%20UI/ControlScreens/AppView/AppView.swift#L125-L132
I'd add a modifier myself but it looks like there isn't one, at least not according to Stack Overflow.