gpui: Fix window title special characters display on X11 (#9994)

Before:

![image](https://github.com/zed-industries/zed/assets/13511978/f12a144a-5c41-44e9-8422-aa73ea54fb9c)

After:

![image](https://github.com/zed-industries/zed/assets/13511978/45e9b701-77a8-4e63-9481-dab895a347f7)

Release Notes:

- Fixed window title special characters display on X11.

---------

Co-authored-by: Mikayla Maki <mikayla@zed.dev>

Maxime Forveille committed 2y ago

4b40e83b8b3cf8e18b422d2ad22a2631c16a7083

Parent: dffddae

Committed by GitHub <noreply@github.com> on 4/12/2024, 4:49:31 PM