Feat(SW-3708): refactor contentstack fetching (removing all refs) and cache invalidation
* Remove all REFS
* Revalidate correct language
* PR fixes
* PR fixes
* Throw when errors from contentstack api
Approved-by: Joakim Jäderberg
Fix/BOOK-257 video player
* fix(BOOK-257): Fixes to VideoPlayerButton and added stories
* fix(BOOK-257): Hiding mute button when the user has interacted with it
* fix(BOOK-257): Added support for poster image
* fix(BOOK-257): add crossOrigin attr to videoplayer
* fix(BOOK-257): comment
Approved-by: Anton Gunnarsson
* fix(BOOK-240): Added support for multiple sources and fixed issue with play/pause on mobile
* fix(BOOK-240): Pausing hero video when scrolling out of view
Approved-by: Christel Westerberg