* Add plain text editor based on markdown input - Fix autofocus of message composer. - Remove `Message` data class, fetch the details in `MessagesPresenter` instead. - Remove `enable rich text` option from advanced settings, set it as a build configuration instead. * Fix MentionSpanProvider * Bump RTE library to released `v2.37.3` --------- Co-authored-by: ElementBot <benoitm+elementbot@element.io>