Added missing cover on simple album serializer

funkwhale_api/music/serializers.py

@@ -41,7 +41,7 @@ class SimpleAlbumSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = models.Album
-        fields = ('id', 'mbid', 'title', 'release_date')
+        fields = ('id', 'mbid', 'title', 'release_date', 'cover')
 
 class AlbumSerializer(serializers.ModelSerializer):
     tags = TagSerializer(many=True, read_only=True)