Fix panic on reconnect #828

pkg/core/track.go

@@ -73,6 +73,9 @@ func (t *Receiver) Replace(target *Receiver) {
 	// move this receiver senders to new receiver
 	t.mu.Lock()
 	senders := t.senders
+	// fix https://github.com/AlexxIT/go2rtc/issues/828
+	// TODO: fix the reason, not the consequence
+	t.senders = nil
 	t.mu.Unlock()
 
 	target.mu.Lock()