* Create `CompoundButton`
* Some fixes
* Lint fixes
* Start replacing existing `Button` usages
* Replace button usages
* Remove previous Button composable
* Rename `CompoundButton` to `Button`
* Fix emphasized button being displayed as Text
* Fix cancel button in `WaitListView`
* Update screenshots
* Add shorthand functions for `OutlinedButton` and `TextButton`
* Add changelog
* Fix wrong size used for emphasized button in dialog
* Create a private `ButtonInternal` implementation with the shared logic.
- Make `ButtonStyle` private.
- Rename `title` to `text`.
- Rename `buttonStyle` and `buttonSize` to just `style` and `size`.
* Fix several warnings and lint issues.
* Update screenshots
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Co-authored-by: ElementBot <benoitm+elementbot@element.io>
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