Squelch error logs while waiting for track resolve. (#2376)

pkg/rtc/subscriptionmanager.go

@@ -18,6 +18,7 @@ package rtc
 
 import (
 	"context"
+	"errors"
 	"sync"
 	"time"
 
@@ -503,8 +504,8 @@ func (m *SubscriptionManager) subscribe(s *trackSubscription) error {
 	}
 
 	subTrack, err := track.AddSubscriber(m.params.Participant)
-	if err != nil && err != errAlreadySubscribed {
-		// ignore already subscribed error
+	if err != nil && !errors.Is(err, errAlreadySubscribed) && !errors.Is(err, ErrTrackNotAttached) && !errors.Is(err, ErrNoReceiver) {
+		// ignore errors: already subscribed OR waiting for track resolve
 		m.params.Logger.Warnw("add subscriber failed", err, "trackID", trackID)
 		return err
 	}

pkg/rtc/transportmanager.go

@@ -305,7 +305,7 @@ func (t *TransportManager) RemoveSubscribedTrack(subTrack types.SubscribedTrack)
 }
 
 func (t *TransportManager) OnDataMessage(f func(kind livekit.DataPacket_Kind, data []byte)) {
-	// upstream data is always comes in via publisher peer connection irrespective of which is primary
+	// upstream data always comes in via publisher peer connection irrespective of which is primary
 	t.publisher.OnDataPacket(f)
 }