multi: wrap all errors

lnrpc/routerrpc/router_server.go

@@ -1140,7 +1140,7 @@ func toPairSnapshot(pairResult *PairHistory) (*routing.MissionControlPairSnapsho
 		pairResult.History.FailTime,
 	)
 	if err != nil {
-		return nil, fmt.Errorf("%v invalid failure: %v", pairPrefix,
+		return nil, fmt.Errorf("%v invalid failure: %w", pairPrefix,
 			err)
 	}
 
@@ -1150,7 +1150,7 @@ func toPairSnapshot(pairResult *PairHistory) (*routing.MissionControlPairSnapsho
 		pairResult.History.SuccessTime,
 	)
 	if err != nil {
-		return nil, fmt.Errorf("%v invalid success: %v", pairPrefix,
+		return nil, fmt.Errorf("%v invalid success: %w", pairPrefix,
 			err)
 	}