core/vm: marshall returnData as hexstring in trace logs (#21715)

* core/vm: marshall returnData as hexstring in trace logs

* core/vm: marshall returnData as hexstring in trace logs

core/vm/logger.go

@@ -82,6 +82,7 @@ type structLogMarshaling struct {
 	Gas         math.HexOrDecimal64
 	GasCost     math.HexOrDecimal64
 	Memory      hexutil.Bytes
+	ReturnData  hexutil.Bytes
 	OpName      string `json:"opName"` // adds call to OpName() in MarshalJSON
 	ErrorString string `json:"error"`  // adds call to ErrorString() in MarshalJSON
 }