Admin UI Video Editor - Bug Fixes

Mediapackage Title, Presenter, Series, Date not displayed.
HTML exists but is not populated correctly - <div class="main-video-details">

Add Frame step buttons

Display Volume settings
<div class="volume-controls">

Display full video duration (in playback frame)

Improve button hover indication

Add shortcuts similar to previous versions

Default to the "editor" view (maybe if it has unresolved editing comment)