chore: add TODO msg

lib/src/screens/new_wallet/advanced_privacy_settings_page.dart

@@ -162,6 +162,8 @@ class _AdvancedPrivacySettingsBodyState extends State<AdvancedPrivacySettingsBod
 
                   widget.nodeViewModel.save();
                 } else if (testnetValue == true) {
+                  // TODO: add type (mainnet/testnet) to Node class so when switching wallets the node can be switched to a matching type
+                    // Currently this is so you can create a working testnet wallet but you need to keep switching back the node if you use multiple wallets at once
                   widget.nodeViewModel.address = publicBitcoinTestnetElectrumAddress;
                   widget.nodeViewModel.port = publicBitcoinTestnetElectrumPort;