* Add Voice Broadcast labs setting and composer button
* Implement strict typing
* Extend MessageComposer-test
* Extend tests
* Revert some strict type fixex
* Convert FEATURES to enum; change case
* Use fake timers in MessageComposer-test
* Revert "Prevent new composer from overflowing from non-breakable text (#8829)"
This reverts commit 57dff8131c6ecbd708011004928d2c943ad02cab.
* Revert "Fix scroll jump issue with the composer (#8791)"
This reverts commit 5167521ea42c4593820e02d015b7d20a71bd96aa.
* Revert "Fix scroll jump issue with the composer (#8788)"
This reverts commit f568a76dc6444ef04fe2dc3809c0d8e38f94c079.
* Revert "Revert link color change in composer (#8784)"
This reverts commit aedbeb299595a29efbfa73a08489118115d3654a.
* Revert "Improve composer visiblity (#8578)"
This reverts commit f14374a51c153f64f313243f2df6ea4971db4e15.