Pause icon

[iamonuwa]

Is your feature request related to a problem? Please describe.

As a user, I would love to see the pause icon when I click on the play.
Describe the solution you'd like

Add pause icon

Describe alternatives you've considered

Additional context

See CONTRIBUTING.md for contribution guidelines

[ralyodio]

@outwork we need one for both the album art pause button (for when a track is playing) and one for the player. I don't know if you want to use the same one.

[ralyodio]

adding this to current task because the play button still needs to change to a pause button over the album cover in the tracks list.