* Add alt text support and rework image layout
* Add additional BottomSheet implementation to account for nested Composer modal
* Use mobile gallery layout on mobile web
* Missing key
* Fix lint
* Move altimage modal into the standard modal system
* Fix overflow wrapping of images
* Fixes to the alt-image modal
* Remove unnecessary switch
* Restore old imagelayoutgrid code
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Co-authored-by: Paul Frazee <pfrazee@gmail.com>
