* refactor: asset media endpoints
* refactor: mobile upload livePhoto as separate request
* refactor: change mobile backup flow to use new asset upload endpoints
* chore: format and analyze dart code
* feat: mark motion as hidden when linked
* feat: upload video portion of live photo before image portion
* fix: incorrect assetApi calls in mobile code
* fix: download asset
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Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
Co-authored-by: Zack Pollard <zackpollard@ymail.com>
