feat(subsonic): prefer tagged musicbrainz ID over lastfm in getAlbumInfo

closes #444

server/ctrlsubsonic/handlers_by_tags.go

@@ -11,6 +11,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/jinzhu/gorm"
 
 	"go.senan.xyz/gonic/db"
@@ -413,6 +414,10 @@ func (c *Controller) ServeGetAlbumInfoTwo(r *http.Request) *spec.Response {
 	sub.AlbumInfo.MusicBrainzID = info.MusicBrainzID
 	sub.AlbumInfo.LastFMURL = info.LastFMURL
 
+	if _, err := uuid.Parse(album.TagBrainzID); err == nil {
+		sub.AlbumInfo.MusicBrainzID = album.TagBrainzID // prefer db musicbrainz ID over lastfm's
+	}
+
 	return sub
 }