bt component: optimize scan feature

1. Add advertising data length and scan response length in scan result
2. Add scan continuously feature
3. Fix non connectable adv topology error
4. Increase BTC queue size

components/bt/bluedroid/api/include/esp_gap_ble_api.h

@@ -273,6 +273,8 @@ typedef union {
         uint8_t  ble_adv[ESP_BLE_ADV_DATA_LEN_MAX + ESP_BLE_SCAN_RSP_DATA_LEN_MAX];     /*!< Received EIR */
         int flag;                                   /*!< Advertising data flag bit */
         int num_resps;                              /*!< Scan result number */
+        uint8_t adv_data_len;                       /*!< Adv data length */
+        uint8_t scan_rsp_len;                       /*!< Scan response length */
     } scan_rst;                                     /*!< Event parameter of ESP_GAP_BLE_SCAN_RESULT_EVT */
     /**
      * @brief ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT