Fix bulk and single Bluetooth parser coexistence (#5073)

esphome/components/bluetooth_proxy/bluetooth_connection.cpp

@@ -275,6 +275,10 @@ esp_err_t BluetoothConnection::notify_characteristic(uint16_t handle, bool enabl
   return ESP_OK;
 }
 
+esp32_ble_tracker::AdvertisementParserType BluetoothConnection::get_advertisement_parser_type() {
+  return this->proxy_->get_advertisement_parser_type();
+}
+
 }  // namespace bluetooth_proxy
 }  // namespace esphome