Fix the filename mismatch then the on-disk filename changed.

core/core.go

@@ -102,7 +102,7 @@ func transitionToOfflineVideoStreamContent() {
 	_transcoder.SetLatencyLevel(models.GetLatencyLevel(4))
 	_transcoder.SetIsEvent(true)
 
-	offlineFilePath, err := saveOfflineClipToDisk("offline.tsclip")
+	offlineFilePath, err := saveOfflineClipToDisk("offline.ts")
 	if err != nil {
 		log.Fatalln("unable to save offline clip:", err)
 	}

core/streamState.go

@@ -92,7 +92,7 @@ func SetStreamAsDisconnected() {
 	_stats.LastConnectTime = nil
 	_broadcaster = nil
 
-	offlineFilename := "offline.tsclip"
+	offlineFilename := "offline.ts"
 
 	offlineFilePath, err := saveOfflineClipToDisk(offlineFilename)
 	if err != nil {