gpui: Implement window_handle and display_handle for wayland platform (#28152)

This PR implements the previously unimplemented window_handle and
display_handle methods in the wayland platform. It also exposes the
display_handle method through the Window struct.

Release Notes:

- N/A
40c91d5df0Christian Bergschneider committed on 5/30/2025, 10:45:03 PM· committed by GitHubparentfe1b366
4 files changedLine totals unavailable