Empty gap at the beginning of the exported audio in 3.11

[Inwoo1432]

Describe the bug
There is an empty gap at the beginning of the exported audio in 3.11.

To Reproduce
Steps to reproduce the behavior:

1. Export audio in 3.11.
2. Export audio in 3.10.
3. Compare two and check if there is an empty gap.

Expected behavior
There shouldn't be any empty gap at the beginning.

Screenshots

Additional context
Not a big deal, but can be problematic when you're using exported audio as a custom instrument.