feat(chat): add option to unpublish app, add apps filter for publish request modal, hide caret icon if publication resource types don't contain prompt or conversation (Issues #1940, #2006, #2031)

feat(chat): add option to unpublish app, add apps filter for publish request modal, hide caret icon if publication resource types don't contain prompt or conversation (Issues #1940, #2006, #2031) #3533