Generic Fixes: Support Errors and others (#1394)

* fix: Crypto amout formatting when calculating fiat amount

* fix: Issue with some token symbols coming up with a dollar sign

* feat: Split transactions to display on history screen token byh token

* fix: Remove restriction on balance length

* fix: error when a particular token is not available

* fix: Remove token transactions when a token is deleted

* fix: Revert previous change

* make added spl tokens enabled by default
fix issue when entering invalid contract address

---------

Co-authored-by: OmarHatem <omarh.ismail1@gmail.com>

lib/entities/calculate_fiat_amount.dart

@@ -3,6 +3,8 @@ String calculateFiatAmount({double? price, String? cryptoAmount}) {
     return '0.00';
   }
 
+  cryptoAmount = cryptoAmount.replaceAll(',', '.');
+  
   final _amount = double.parse(cryptoAmount);
   final _result = price * _amount;
   final result = _result < 0 ? _result * -1 : _result;

lib/ethereum/cw_ethereum.dart

@@ -142,8 +142,10 @@ class CWEthereum extends Ethereum {
     }
 
     wallet as EthereumWallet;
-    return wallet.erc20Currencies
-        .firstWhere((element) => transaction.tokenSymbol == element.symbol);
+
+    return wallet.erc20Currencies.firstWhere(
+      (element) => transaction.tokenSymbol == element.symbol,
+    );
   }
 
   @override

lib/polygon/cw_polygon.dart

@@ -140,8 +140,10 @@ class CWPolygon extends Polygon {
     }
 
     wallet as PolygonWallet;
+
     return wallet.erc20Currencies.firstWhere(
-        (element) => transaction.tokenSymbol.toLowerCase() == element.symbol.toLowerCase());
+      (element) => transaction.tokenSymbol.toLowerCase() == element.symbol.toLowerCase(),
+    );
   }
 
   @override

lib/solana/cw_solana.dart

@@ -110,8 +110,10 @@ class CWSolana extends Solana {
     }
 
     wallet as SolanaWallet;
-    return wallet.splTokenCurrencies
-        .firstWhere((element) => transaction.tokenSymbol == element.symbol);
+
+    return wallet.splTokenCurrencies.firstWhere(
+      (element) => transaction.tokenSymbol == element.symbol,
+    );
   }
 
   @override