* Make whole messages selectable and readable as a single unit when possible.
* Make most UI components not clickable when talkback is enabled.
* Make voice messages work with talkback too.
* Read grouped state events even if the events are collapsed.
* Move image and video item actions to the timeline item.
* Improve accessibility in the message context menu too
* Fix a11y issue on add attachment button.
* Add `contentDescription` to file icon so it's read aloud
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Co-authored-by: Benoit Marty <benoit@matrix.org>
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