feat(web): enable rich text composer by default#12160

fix(web): shorten rich text setting description

feat(web): enable rich text composer by default

fix(web): allow surround shortcuts on plain text selections

fix(web): limit surround shortcuts to single characters

fix(web): initialize the restored composer selection

fix(web): retain emphasis around code span whitespace

fix(web): preserve rich task splits and selection boundaries

fix(web): bound markdown parsing and preserve nested marks

fix(web): preserve composer drafts and editing behavior

feat(web): run the composer on Tiptap in both modes

feat(web): rich text composer behind a setting