message: telemetry: fix distance_sensor unit
  The scaling was wrong.
diff: @@ -1437,9 +1437,12 @@ void TelemetryImpl::process_distance_sensor(const mavlink_message_t& message)
  Telemetry::DistanceSensor distance_sensor_struct{};
  - distance_sensor_struct.minimum_distance_m = distance_sensor_msg.min_distance;
  - distance_sensor_struct.maximum_distance_m = distance_sensor_msg.max_distance;
  - distance_sensor_struct.current_distance_m = distance_sensor_msg.current_distance;
  + distance_sensor_struct.minimum_distance_m =
  + static_cast<float>(distance_sensor_msg.min_distance) * 1e-2f; // cm to m
  + distance_sensor_struct.maximum_distance_m =
  + static_cast<float>(distance_sensor_msg.max_distance) * 1e-2f; // cm to m
  + distance_sensor_struct.current_distance_m =
  + static_cast<float>(distance_sensor_msg.current_distance) * 1e-2f; // cm to m
  set_distance_sensor(distance_sensor_struct);
  