refactor(experimental): add simulateTransaction RPC call

Author: mcintyre94

packages/rpc-core/src/response-patcher-allowed-numeric-values.ts

@@ -149,6 +149,7 @@ export function getAllowedNumericKeypaths(): AllowedNumericKeypaths {
                 ['current', KEYPATH_WILDCARD, 'commission'],
                 ['delinquent', KEYPATH_WILDCARD, 'commission'],
             ],
+            sendTransaction: jsonParsedAccountsConfigs.map(c => (['value', 'accounts', KEYPATH_WILDCARD, ...c])),
         };
     }
     return memoizedKeypaths;