Credits music immediately cuts off instead of fading out when exiting the Credits screen opened from Settings with pause feature enabled

When you open Credits screen from Settings > General, when exiting the Credits screen, normally the music will slowly fading out, but if you has pause features enabled it will cuts off immediately.

Steps to reproduce:

1. Join any world, since credits screen does not plays it's music in Main Menu due to MCPE-179307

2. Pause your game, then open Settings > General > Credits

3. Wait for the music to start playing

4. Close the credits screen

5. Observe

Expected results:
Credits music slowly fading out.

Observed results:
Credits music immediately cuts off.