Reduce entity memory usage by eliminating field shadowing and bit-packing (#9076)

esphome/components/sensor/sensor.cpp

@@ -88,13 +88,12 @@ float Sensor::get_raw_state() const { return this->raw_state; }
 std::string Sensor::unique_id() { return ""; }
 
 void Sensor::internal_send_state_to_frontend(float state) {
-  this->has_state_ = true;
+  this->set_has_state(true);
   this->state = state;
   ESP_LOGD(TAG, "'%s': Sending state %.5f %s with %d decimals of accuracy", this->get_name().c_str(), state,
            this->get_unit_of_measurement().c_str(), this->get_accuracy_decimals());
   this->callback_.call(state);
 }
-bool Sensor::has_state() const { return this->has_state_; }
 
 }  // namespace sensor
 }  // namespace esphome