Add preset, custom_preset and custom_fan_mode support to climate (#1471)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/whirlpool/whirlpool.cpp

@@ -81,7 +81,7 @@ void WhirlpoolClimate::transmit_state() {
   remote_state[3] |= (uint8_t)(temp - this->temperature_min_()) << 4;
 
   // Fan speed
-  switch (this->fan_mode) {
+  switch (this->fan_mode.value()) {
     case climate::CLIMATE_FAN_HIGH:
       remote_state[2] |= WHIRLPOOL_FAN_HIGH;
       break;