oops BLE auth should not change

src/esp32/BluetoothUtil.cpp

@@ -305,8 +305,8 @@ BLEServer *initBLE(StartBluetoothPinScreenCallback startBtPinScreen, StopBluetoo
     pSecurity->setCapability(ESP_IO_CAP_OUT);
 
     // FIXME - really should be ESP_LE_AUTH_REQ_SC_BOND but it seems there is a bug right now causing that bonding info to be lost
-    // occasionally
-    pSecurity->setAuthenticationMode(ESP_LE_AUTH_BOND);
+    // occasionally?
+    pSecurity->setAuthenticationMode(ESP_LE_AUTH_REQ_SC_BOND);
 
     pSecurity->setInitEncryptionKey(ESP_BLE_ENC_KEY_MASK | ESP_BLE_ID_KEY_MASK);