[Waveform Editor] - Undoing a trim fade that is made by clicking and dragging the handles doesn't correctly undo when undoing

Undoing dragging trims doesn't undo the trim [Link Removed]

1) Launch AudioQA
2) In the Content Browser, go to Assets > SoundWaves > Mono > VO and right-click on voice_en_male_counting_1-10_seconds and select Edit Waveform
3) Add a Transform and set it to a "Waveform Tranformation Trim Fade
4) On the Waveform Display, click and drag the handles to change the trim
5) Ctrl-Z

Expected Result:
The Waveform trim undoes

Actual Result:
The Waveform trim doesn't undo as expected