want to fix focus music in pomodoro timer

## Describe the bug
when clicking on the play button nothing is working it seems like it has an issue. I would like to resolve it.

## Steps to reproduce
Steps to reproduce the behavior:
1. Go to 'pomodoro timer tab'
2. Click on 'play'
3. Observe the issue

## Expected behavior
i want the music to play

## Actual behavior
it wasn't playing any music
