[BUG] Background sound fade-in & fade-out

[pramath98]

Describe the bug When we select background audio for meditation the audio starts and ends abruptly

To Reproduce Steps to reproduce the behavior:

1. Go to 'Any mediation'
2. Click on 'background audio'
3. Start the meditation
4. Notice the audio, it starts and stops abruptly.

Expected behavior It will be more pleasant if the audio starts with fade-in transition and ends with fade-out transition.

• Device: iPhone SE 2020
• OS: iOS 17.4
• Version: 3.0.13 home page of the app)