fixup: error if either JSONRPC id or jsonrpc field is missing

Co-authored-by: Chris Hager <[email protected]>

flashbotsrpc.go

@@ -211,7 +211,7 @@ func (rpc *FlashbotsRPC) CallWithFlashbotsSignature(method string, privKey *ecds
 		return nil, err
 	}
 
-	if resp.ID != request.ID && resp.JSONRPC != request.JSONRPC {
+	if resp.ID != request.ID || resp.JSONRPC != request.JSONRPC {
 		// this means we got back JSON but not a valid JSONRPC response
 		return nil, fmt.Errorf("%w: invalid JSONRPC response (HTTP status code: %d)", ErrRelayErrorResponse, response.StatusCode)
 	}