🍔 Hijack 2.12 - Burger menus and selecting the default tab
* Can now select the default tab for chapters.
* Chapters now have a burger menu at the top of the controller panel.
* Switched chevron image for arrow svgs in the controller footer.
* formatting of subtitles (line height)
* subtitles not appearing on mobile when selected
* potential layout issues with video player and subtitle controls on mobile (around iPhone SE sizes)
* subtitle track attached to 1 video showing on additional videos
* subtitle track not stopping/not removed when video is changed.