qt: add "album_id" role in `MLAudioModel`

modules/gui/qt/medialibrary/mlaudiomodel.cpp

@@ -44,6 +44,8 @@ QVariant MLAudioModel::itemRoleData(const MLItem *item, const int role) const
         return QVariant::fromValue(audio->getAlbumTitle());
     case AUDIO_ALBUM_FIRST_SYMBOL:
         return QVariant::fromValue(getFirstSymbol(audio->getAlbumTitle()));
+    case AUDIO_ALBUM_ID:
+        return QVariant::fromValue(audio->getAlbumId().toString());
     default:
         return MLMediaModel::itemRoleData(item, role);
     }
@@ -63,6 +65,7 @@ QHash<int, QByteArray> MLAudioModel::roleNames() const
         {AUDIO_ARTIST_FIRST_SYMBOL, "main_artist_first_symbol"},
         {AUDIO_ALBUM, "album_title"},
         {AUDIO_ALBUM_FIRST_SYMBOL, "album_title_first_symbol"},
+        {AUDIO_ALBUM_ID, "album_id"},
     });
 
     return hash;

modules/gui/qt/medialibrary/mlaudiomodel.hpp

@@ -39,7 +39,9 @@ public:
         AUDIO_ARTIST_FIRST_SYMBOL,
         AUDIO_ALBUM,
         AUDIO_ALBUM_FIRST_SYMBOL,
-    };
+        AUDIO_ALBUM_ID,
+    }
+    ;
 
 public:
     explicit MLAudioModel(QObject *parent = nullptr);