So I'm not actually sure if this is a Hubitat or a Zooz issue. I have a few Zen30 double switches and they all have this behavior. Firmware 1.05 using the built in driver on a C5 with platform version 2.2.4.158.
I have debug and description text logging turned off, but here's what I see in the log.
The lights on a Zen30 being triggered
The log for the switch shows this
I have 4 double switches and they all behave the same.