fix: error query with non-evm chainId when search (#92)

## Description
Add wrong query chainId when search 
Issue: https://github.com/hyperlane-xyz/hyperlane-explorer/issues/91

## Solution
Return only evm chain with bigint type not string

src/components/search/SearchFilterBar.tsx

@@ -92,7 +92,8 @@ function ChainMultiSelector({
     );
     const mainnets = coreEvmChains.filter((c) => !c.isTestnet);
     const testnets = coreEvmChains.filter((c) => !!c.isTestnet);
-    return { chains, mainnets, testnets };
+    // Return only evnChains because of graphql only accept query non-evm chains (with bigint type not string)
+    return { chains: coreEvmChains, mainnets, testnets };
   }, [multiProvider]);
 
   // Need local state as buffer before user hits apply
@@ -316,4 +317,4 @@ function DatetimeSelector({
       modalClasses="w-60 -right-8"
     />
   );
-}
+}