Deferral in first position throws exception

[7h3kk1d]

Screencast.From.2024-12-22.13-11-45.mp4

If you try typing a deferral in the first position in a function application a JS exception is thrown and it crashes the editor.

let f = fun (x, y, z) -> x + y + z in
f(_

[cyrus-]

seems to be a regression -- @Negabinary can you add this to your stack when you get back?