Fix missing IME keys when no input handler is set (#13325)

This fixes a bug introduced by
https://github.com/zed-industries/zed/pull/12702, where GPUI would only
generate the correct key events if you had an input handler set.

Release Notes:

- N/A
4e2a08edb7Mikayla Maki committed on 6/20/2024, 5:39:10 PM· committed by GitHubparentc20a1ee
1 file changedLine totals unavailable