correct type

Author: kumaryash90

packages/thirdweb/src/utils/any-evm/zksync/isZkSyncChain.ts

@@ -21,7 +21,7 @@ export async function isZkSyncChain(chain: Chain) {
   // fallback to checking the stack on rpc
   try {
     const chainMetadata = await getChainMetadata(chain);
-    return chainMetadata.stackType === "zksync-stack";
+    return chainMetadata.stackType === "zksync_stack";
   } catch {
     // If the network check fails, assume it's not a ZkSync chain
     return false;