Fix FAB-18528: remove panic in ifConfig func (#2828)
Fix FAB-18528: remove panic in ifConfig func (#2828)

Fix issues: FAB-18528. When received the constructed message from the malicious node (through the interface "chain.rpc.SendSubmit(dest uint64, request *orderer.SubmitRequest, report func(err error))"), all orderers will breakdown immediately.

Signed-off-by: sardChen <30aded8a9c4ca5903f43197defd78d20af5f3f45@gmail.com>
manish-sethi/fabric,jimthematrix/fabric,hyperledger/fabric,manish-sethi/fabric-sidedb,jimthematrix/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,manish-sethi/fabric,manish-sethi/fabric-sidedb,manish-sethi/fabric-sidedb,hyperledger/fabric,manish-sethi/fabric-sidedb