App showing genres without songs

[Vukašin Manojlović]

App Version:

1.5

Affected Device(s):

Huawei Nexus 6P with Android 8.1

Describe the Bug:

Genres without any song are listed as " -1 songs" in the "Genres" section of the app.

To Reproduce:

1. Go to the "Genres" tab
2. Click on any genre which has -1 songs
3. Check there's no songs for that genre

Expected Behavior:

The application shouldn't list genres without any songs.