Fix WiFi disconnect event not being propageted. (espressif#3085)

Relative to espressif#3006

Author: edoardoo

libraries/WiFi/src/WiFiGeneric.cpp

@@ -367,7 +367,7 @@ esp_err_t WiFiGenericClass::_eventCallback(void *arg, system_event_t *event)
  (reason >= WIFI_REASON_BEACON_TIMEOUT && reason != WIFI_REASON_AUTH_FAIL)) &&
  WiFi.getAutoReconnect())
  {
- WiFi.disconnect(true);
+ WiFi.disconnect();
  WiFi.begin();
  }
  } else if(event->event_id == SYSTEM_EVENT_STA_GOT_IP) {