You're not going to like the answer.

You'll have to buy a new motion sensor. The only one I know of that
specifically mentions electronic ballasts is the Leviton OSSMT-MDW.
You won't find it at any retail stores. Check online though. It goes
for about $75

Just so you know, turning fluorescents on and off burns out the tubes
faster. That's why the specs on a compact fluorescent is based on a
minimum of 4 hours use.