* Document screen narration
Also fixes a few names in Screen narration methods and
ScreenNarrator which didn't make sense.
* Fix param name
* Update mappings/net/minecraft/client/gui/screen/narration/NarrationMessageBuilder.mapping
Co-authored-by: enbrain <69905075+enbrain@users.noreply.github.com>
Co-authored-by: enbrain <69905075+enbrain@users.noreply.github.com>