Why does SettingsBuilder::with_humidity_control set a heater flag?

[keigen-shu]

See:

bme680/src/settings.rs

Lines 184 to 188 in 4b87e3c

	pub fn with_humidity_control(mut self, heatr_control: u8) -> SettingsBuilder {
	self.sensor_settings.gas_sett.heatr_ctrl = Some(heatr_control);
	self.desired_settings |= DesiredSensorSettings::HCNTRL_SEL;
	self
	}