o arquivo da área de trabalho deve estar nesta pasta
/var/lib/snapd/desktop/applications
Você pode criar um novo, se necessário
sudo tee -a /var/lib/snapd/desktop/applications/spotify.desktop << ENDsd
[Desktop Entry]
Type=Application
Name=Spotify
GenericName=Music Player
Icon=/usr/share/spotify/icons/spotify-linux-128.png
TryExec=spotify
Exec=spotify %U
Terminal=false
MimeType=x-scheme-handler/spotify;
Categories=Audio;Music;Player;AudioVideo;
StartupWMClass=spotify
ENDsd
Ou copie / cole essas linhas em /var/lib/snapd/desktop/applications/spotify.desktop
[Desktop Entry]
Type=Application
Name=Spotify
GenericName=Music Player
Icon=/usr/share/spotify/icons/spotify-linux-128.png
TryExec=spotify
Exec=spotify %U
Terminal=false
MimeType=x-scheme-handler/spotify;
Categories=Audio;Music;Player;AudioVideo;
StartupWMClass=spotify