* WIP: adding screen reader support to mobile
* implemented getAltText
* implemented alt text solution that stores the alt text in the DB, which isn't really great
* moved alt text computation to immich_thumbnail.dart
* added unit tests
* revert unintended changes
* Added text to remaining buttons in Photo page
* fixed import
* Fixed issue of easy_localization not parsing select blocks
* Transferred the new screen reader help to web frontend
* remove unused property
* npm run format:fix
* code review
* revert unwanted change
* dart fmt
* revert web changes
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Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>