fix the problem of missing part of advertising packet when activ… (es…

…phome#868)

* fix the problem of missing part of advertising packet when active scan is enabled.

* fix for ci-suggest-changes

esphome/components/esp32_ble_tracker/esp32_ble_tracker.cpp

@@ -325,13 +325,15 @@ void ESPBTDevice::parse_scan_rst(const esp_ble_gap_cb_param_t::ble_scan_result_e
   }
 
   ESP_LOGVV(TAG, "Adv data: %s",
-            hexencode_string(std::string(reinterpret_cast<const char *>(param.ble_adv), param.adv_data_len)).c_str());
+            hexencode_string(
+                std::string(reinterpret_cast<const char *>(param.ble_adv), param.adv_data_len + param.scan_rsp_len))
+                .c_str());
 #endif
 }
 void ESPBTDevice::parse_adv_(const esp_ble_gap_cb_param_t::ble_scan_result_evt_param &param) {
   size_t offset = 0;
   const uint8_t *payload = param.ble_adv;
-  uint8_t len = param.adv_data_len;
+  uint8_t len = param.adv_data_len + param.scan_rsp_len;
 
   while (offset + 2 < len) {
     const uint8_t field_length = payload[offset++];  // First byte is length of adv record