Фикс проверки рабочих каналов при корректном контенте, но ошибочном HTTP-коде

app/checker/checker.go

@@ -248,11 +248,12 @@ func CheckChannels(pls playlist.Playlist) playlist.Playlist {
 
 			isContentCorrect := isContentBinary ||
 				strings.Contains(bodyString, "#EXTM3U") ||
+				strings.Contains(bodyString, "#EXT-X-") ||
 				strings.Contains(bodyString, "<MPD ") ||
 				strings.Contains(bodyString, "<SegmentTemplate ") ||
 				strings.Contains(bodyString, "<AdaptationSet ")
 
-			if tvChannel.Status >= http.StatusBadRequest || !isContentCorrect {
+			if tvChannel.Status >= http.StatusBadRequest && !isContentCorrect {
 				tvChannel.Error = bodyString
 				chOffline <- tvChannel
 				return