Fix the dumbest bug ever
Fix the dumbest bug ever

I used `===` instead of `!==` so that editing a group could never alter
its children.

OpenEnergyDashboard/OED,beloitcollegecomputerscience/OED,beloitcollegecomputerscience/OED,OpenEnergyDashboard/OED,OpenEnergyDashboard/OED,beloitcollegecomputerscience/OED,beloitcollegecomputerscience/OED,OpenEnergyDashboard/OED