fix: memory leak on esp32 fixed

lib/Network/NetworkManager.h

@@ -181,7 +181,12 @@ namespace Network {
       wifi_station_dhcpc_set_maxtry(5);
       #endif
 
+      #ifdef ARDUINO_ARCH_ESP32
+      // Nothing. Because memory leaks when turn off WiFi on ESP32, bug?
+      return true;
+      #else
       return WiFi.mode(WIFI_OFF);
+      #endif
     }
 
     void reconnect() {