thermald: only go offroad on falling edge of ignition (#23130)
thermald: only go offroad on falling edge of ignition (#23130)

* thermald: only go offroad on falling edge of ignition

* and

* fix taht
commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot