Correct advertisement length and set status on update.

Author: h2zero

src/NimBLEAdvertisedDevice.cpp

@@ -62,11 +62,14 @@ void NimBLEAdvertisedDevice::update(const ble_gap_event* event, uint8_t eventTyp
 # if CONFIG_BT_NIMBLE_EXT_ADV
     const auto& disc = event->ext_disc;
     if (m_dataStatus == BLE_GAP_EXT_ADV_DATA_STATUS_INCOMPLETE) {
+        m_payload.reserve(m_advLength + disc.length_data);
         m_payload.insert(m_payload.end(), disc.data, disc.data + disc.length_data);
         m_dataStatus = disc.data_status;
+        m_advLength  = m_payload.size();
         return;
     }
 
+    m_dataStatus  = disc.data_status;
     m_isLegacyAdv = disc.props & BLE_HCI_ADV_LEGACY_MASK;
 # else
     const auto& disc = event->disc;