* Fix ISY leak sensors always showing UNKNOWN until a leak is detected
Added some logic that handles both moisture sensors and door/window sensors
* Handle edge case of leak sensor status update after ISY reboot
If a leak sensor is unknown, due to a recent reboot of the ISY, the status will get updated to dry upon the first heartbeat. This status update is the only way that a leak sensor's status changes without an accompanying Control event, so we need to watch for it.
* Fixes from overnight testing
State was checking the incorrect parameter, and wasn't calling schedule update
* Remove leftover debug log line
* Remove unnecessary pylint instruction
* Remove access of protected property
We can't cast _.status directly to a bool for some unknown reason (possibly with the VarEvents library), but casting to an int then bool does work.
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