Consolidate video state into a single asset-scoped provider, and reduce
dependency on global state generally. Overall this should fix a few
timing issues and race conditions with videos specifically, and make
future changes in this area easier.
* Update current asset to play video.
* Updated location of currentAssetProvider update per feedback.
* Added a playbackDelayFactor to the video viewer to resolve an issue in memories.
Also adjusted the scale of the memory preview image to match the ratio of the video. This still appears to jump because the video preview doesn't seem to be the first frame for some reason :\
* add video indicator
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Co-authored-by: Tom graham <tomg@questps.com.au>
Co-authored-by: Alex <alex.tran1502@gmail.com>
