[MU4 Issue] No audio tail at the end of score on exported mp3

[abariska]

Describe the bug Audio is just stopped right after the last note played. No tail with full note duration and reverb

To Reproduce Steps to reproduce the behavior:

1. Open the test score
2. Export it to mp3 (44100/320kbs)
3. Listen to the very end of the score

Expected behavior Audio tail is present till any sound goes

Screenshots Listen to this exported file The_Avengers_Theme_Song_full_orchestra.mp3.zip