* Add a composer to the MediaUploadPreviewScreen. And send it's content to the media upload's caption. * Use the new compound SendButton (updating relative padding in the toolbar). * Update snapshots. * Add unit tests for sending a caption.
* Add a composer to the MediaUploadPreviewScreen. And send it's content to the media upload's caption. * Use the new compound SendButton (updating relative padding in the toolbar). * Update snapshots. * Add unit tests for sending a caption.