Crashlytics reported errors fixes

lib/features/portfolio/subfeatures/token/send_token/send_crypto/send_crypto_page.dart

@@ -194,9 +194,12 @@ class SendCryptoPage extends HookConsumerWidget {
                 suffixButton: MxcTextFieldButton.svg(
                   svg: 'assets/svg/ic_contact.svg',
                   onTap: () async {
-                    Recipient res = await Navigator.of(context)
-                        .push(route(const SelectRecipientPage()));
+                    Recipient? res = (await Navigator.of(context)
+                        .push(route(const SelectRecipientPage())) as Recipient?);
 
+                    if (res == null) {
+                      return;
+                    }
                     ref.read(presenter).recipientController.text =
                         res.address ?? res.mns ?? '';
                     ref.watch(state).formKey.currentState!.validate();

lib/features/portfolio/subfeatures/token/send_token/send_crypto/send_crypto_presenter.dart

@@ -133,7 +133,12 @@ class SendCryptoPresenter extends CompletePresenter<SendCryptoState> {
   }
 
   void validateAndUpdate() {
-    final result = state.formKey.currentState!.validate();
+    // It's rare but happened in some cases http://github.com/orgs/MXCzkEVM/projects/4/views/1?pane=issue&itemId=98388906 
+    final formState = state.formKey.currentState;
+    if (formState == null) {
+      return;
+    }
+    final result = formState.validate();
     notify(() => state.valid = result);
   }
 

lib/features/settings/subfeatures/chain_configuration/domain/chain_configuration_repository.dart

@@ -6,7 +6,7 @@ class ChainConfigurationRepository extends GlobalCacheRepository {
   final String zone = 'chain_configuration';
 
   late final Field<List<Network>> networks = fieldWithDefault<List<Network>>(
-      'networks', [],
+      'networks', Network.fixedNetworks(),
       serializer: (b) => b
           .map((e) => {
                 'logo': e.logo,

lib/features/settings/subfeatures/chain_configuration/domain/chain_configuration_use_case.dart

@@ -1,8 +1,8 @@
+import 'package:firebase_crashlytics/firebase_crashlytics.dart';
 import 'package:moonchain_wallet/core/core.dart';
 import 'package:moonchain_wallet/features/settings/settings.dart';
 import 'package:mxc_logic/mxc_logic.dart';
 
-
 class ChainConfigurationUseCase extends ReactiveUseCase {
   ChainConfigurationUseCase(this._repository, this._authUseCase);
 
@@ -138,10 +138,21 @@ class ChainConfigurationUseCase extends ReactiveUseCase {
     }
   }
 
-  void getCurrentNetwork() {
-    final currentNetwork =
-        _repository.items.where((item) => item.enabled).first;
-    update(selectedNetwork, currentNetwork);
+  void getCurrentNetwork() async{
+    final chains =_repository.items;
+    try {
+      final currentNetwork =
+          chains.where((item) => item.enabled).first;
+      update(selectedNetwork, currentNetwork);
+    } catch (e, s) {
+      FirebaseCrashlytics.instance.setCustomKey("chains_list_not_enabled_any", chains.map((e) => e.toJson(),).toList().toString());
+      await FirebaseCrashlytics.instance.recordError(
+        e,
+        s,
+        reason: 'Fatal error on detecting enabled chain',
+        information: ['chains_list_not_enabled_any is reported with It\'s value'],
+      );
+    }
   }
 
   Network getCurrentNetworkWithoutRefresh() {

lib/features/splash/setup_wallet/setup_wallet_presenter.dart

@@ -23,12 +23,6 @@ class SplashSetupWalletPresenter
   @override
   void initState() {
     listen(_chainConfigurationUseCase.networks, (value) {
-      if (value.isEmpty) {
-        // populates the default list for the first time
-        final defaultList = Network.fixedNetworks();
-        _chainConfigurationUseCase.addItems(defaultList);
-      }
-
       _chainConfigurationUseCase.getCurrentNetwork();
       _authUseCase.resetNetwork(
           _chainConfigurationUseCase.getCurrentNetworkWithoutRefresh());