fix: update fix

Author: ElasticBottle

packages/thirdweb/src/wallets/in-app/core/wallet/enclave-wallet.ts

@@ -141,7 +141,7 @@ export class EnclaveWallet implements IWebWallet {
       const transaction: Record<string, Hex | number | undefined> = {
         to: tx.to ? getAddress(tx.to) : undefined,
         data: tx.data,
-        value: typeof tx.value === "bigint" ? toHex(tx.value) : toHex("0"),
+        value: typeof tx.value === "bigint" ? toHex(tx.value) : undefined,
         gas:
           typeof tx.gas === "bigint"
             ? toHex(tx.gas + tx.gas / BigInt(10))
@@ -162,16 +162,16 @@ export class EnclaveWallet implements IWebWallet {
         chainId: toHex(tx.chainId),
       };
 
-      if (tx.maxFeePerGas) {
+      if (typeof tx.maxFeePerGas === "bigint") {
         transaction.maxFeePerGas = toHex(tx.maxFeePerGas);
         transaction.maxPriorityFeePerGas =
           typeof tx.maxPriorityFeePerGas === "bigint"
             ? toHex(tx.maxPriorityFeePerGas)
-            : toHex("0");
+            : undefined;
         transaction.type = 2;
       } else {
         transaction.gasPrice =
-          typeof tx.gasPrice === "bigint" ? toHex(tx.gasPrice) : toHex("0");
+          typeof tx.gasPrice === "bigint" ? toHex(tx.gasPrice) : undefined;
         transaction.type = 0;
       }
       return signEnclaveTransaction({