Update chainId in flutter projects

Author: rtomas

flutter/flutter-aggregate-verifier-example/lib/main.dart

@@ -318,7 +318,7 @@ class _MyAppState extends State<MyApp> {
             value: EtherAmount.fromUnitAndValue(
                 EtherUnit.gwei, 5000000), // 0.005 ETH
           ),
-          chainId: 5);
+          chainId: 11155111);
       debugPrint(receipt);
       setState(() {
         _result = receipt;

flutter/flutter-auth0-example/lib/main.dart

@@ -299,7 +299,7 @@ class _MyAppState extends State<MyApp> {
             value: EtherAmount.fromUnitAndValue(
                 EtherUnit.gwei, 5000000), // 0.005 ETH
           ),
-          chainId: 5);
+          chainId: 11155111);
       debugPrint(receipt);
       setState(() {
         _result = receipt;

flutter/flutter-firebase-example/lib/main.dart

@@ -323,7 +323,7 @@ class _MyAppState extends State<MyApp> {
             value: EtherAmount.fromUnitAndValue(
                 EtherUnit.gwei, 5000000), // 0.005 ETH
           ),
-          chainId: 5);
+          chainId: 11155111);
       debugPrint(receipt);
       setState(() {
         _result = receipt;

flutter/flutter-quick-start/lib/main.dart

@@ -342,7 +342,7 @@ class _MyAppState extends State<MyApp> {
             value: EtherAmount.fromUnitAndValue(
                 EtherUnit.gwei, 5000000), // 0.005 ETH
           ),
-          chainId: 5);
+          chainId: 11155111);
       debugPrint(receipt);
       setState(() {
         _result = receipt;