chore: fix streaming quality is worse then available

lib/services/youtube_engine/newpipe_engine.dart

@@ -17,7 +17,11 @@ class NewPipeEngine implements YouTubeEngine {
       FileSize.unknown,
       Bitrate(stream.bitrate),
       stream.codec,
-      stream.quality,
+      switch (stream.bitrate) {
+        > 130 * 1024 => "high",
+        > 64 * 1024 => "medium",
+        _ => "low",
+      },
       [],
       MediaType.parse(stream.mediaFormat!.mimeType),
       null,

lib/services/youtube_engine/youtube_explode_engine.dart

@@ -11,8 +11,9 @@ class YouTubeExplodeEngine implements YouTubeEngine {
   }
 
   @override
-  Future<StreamManifest> getStreamManifest(String videoId) {
+  Future<StreamManifest> getStreamManifest(String videoId) async {
-    return _youtubeExplode.videos.streamsClient.getManifest(
+    final streamManifest =
+        await _youtubeExplode.videos.streamsClient.getManifest(
       videoId,
       requireWatchPage: false,
       ytClients: [
@@ -21,6 +22,28 @@ class YouTubeExplodeEngine implements YouTubeEngine {
         YoutubeApiClient.mweb,
       ],
     );
+
+    return StreamManifest(
+      streamManifest.audioOnly.map((stream) {
+        return AudioOnlyStreamInfo(
+          stream.videoId,
+          stream.tag,
+          stream.url,
+          stream.container,
+          stream.size,
+          stream.bitrate,
+          stream.audioCodec,
+          switch (stream.bitrate.bitsPerSecond) {
+            > 130 * 1024 => "high",
+            > 64 * 1024 => "medium",
+            _ => "low",
+          },
+          stream.fragments,
+          stream.codec,
+          stream.audioTrack,
+        );
+      }),
+    );
   }
 
   @override