fix publish metadata resolver

etc/sdk.api.md

@@ -537,7 +537,7 @@ export enum ChainId {
 // Warning: (ae-internal-missing-underscore) The name "ChainOrRpc" should be prefixed with an underscore because the declaration is marked as @internal
 //
 // @internal (undocumented)
-export type ChainOrRpc = "mumbai" | "polygon" | "matic" | "rinkeby" | "goerli" | "mainnet" | "ethereum" | "fantom" | "fantom-testnet" | "avalanche" | "avalanche-testnet" | "optimism" | "optimism-testnet" | "arbitrum" | "arbitrum-testnet" | (string & {});
+export type ChainOrRpc = "mumbai" | "polygon" | "matic" | "rinkeby" | "goerli" | "mainnet" | "ethereum" | "fantom" | "fantom-testnet" | "avalanche" | "avalanche-testnet" | "avalanche-fuji" | "optimism" | "optimism-testnet" | "arbitrum" | "arbitrum-testnet" | (string & {});
 
 // Warning: (ae-internal-missing-underscore) The name "CidWithFileName" should be prefixed with an underscore because the declaration is marked as @internal
 //

src/core/classes/contract-publisher.ts

@@ -192,7 +192,9 @@ export class ContractPublisher extends RPCConnectionHandler {
       );
     }
     return await Promise.all(
-      publishedMetadataUri.map((uri) => this.fetchPublishedMetadata(uri)),
+      publishedMetadataUri
+        .filter((uri) => uri.length > 0)
+        .map((uri) => this.fetchPublishedMetadata(uri)),
     );
   }