- stop relying on the usb_detect pin
- supply ibat and vbat scale defaults from targets where applicable
- prevent stick deadband from being applied on rx telemetry packets
- drop broken support for ICM20649
- decrease rx filter cutoff slightly
- ensure crsf telemetry packets take up all the available payload size
- gate iterm windup while on-ground
RC was re-published to fix gyro display in the config.