fix: should always contain gas price info even if it's 0

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) : undefined,
+        value: typeof tx.value === "bigint" ? toHex(tx.value) : toHex("0"),
         gas:
           typeof tx.gas === "bigint"
             ? toHex(tx.gas + tx.gas / BigInt(10))
@@ -167,11 +167,11 @@ export class EnclaveWallet implements IWebWallet {
         transaction.maxPriorityFeePerGas =
           typeof tx.maxPriorityFeePerGas === "bigint"
             ? toHex(tx.maxPriorityFeePerGas)
-            : undefined;
+            : toHex("0");
         transaction.type = 2;
       } else {
         transaction.gasPrice =
-          typeof tx.gasPrice === "bigint" ? toHex(tx.gasPrice) : undefined;
+          typeof tx.gasPrice === "bigint" ? toHex(tx.gasPrice) : toHex("0");
         transaction.type = 0;
       }
       return signEnclaveTransaction({