TimedTextEditor alignement with audio file is off

[pietrop]

Describe the bug

TimedTextEditor alignement when using the component with an audio file is off. as it keeps the layout space for the video preview.

To Reproduce
Steps to reproduce the behavior:

• See demo app with an audio file

Expected behavior

It be nice if the alignement was centred or full width

Screenshots

In current master

Additional context

Going to investigate this, PR might be coming soon, unless anyone else has got any other ideas on a simple way to achieve this.

• Need a url to use for audio file example in TranscriptEditor storybook, with corresponding transcript.. for now using place holder one.