improve evm ui (#3129)

* improve evm ui

* fix model generation

* add db schema

* bugfixes

* scrollable fav token modal

* make combined balance the default

* add crypto_full_icons to pubspec

* optimize transaction duplication check

* fix format issue

* add chain icons to swap tiles

* decrease asset tile font weight

* show chain icon in swap currency selector

* move chain icon for tokens

* new trade history row

* ui fix

* fix padding on modal

* remove vec

lib/utils/token_utilities.dart

@@ -152,6 +152,7 @@ class TokenUtilities {
     required WalletType walletType,
     required String address,
   }) async {
+    if(address.isEmpty) return null;
     final lower = address.toLowerCase();
     switch (walletType) {
       case WalletType.ethereum: