Closes #29083

On X11, `ibus-x11` crashes on some distros after Zed interacts with it.
This is not unique to Zed, `xim-rs` shows the same behavior, and there
are similar upstream `ibus` reports with apps like Blender:

- https://github.com/ibus/ibus/issues/2697

I opened an upstream issue to track this:

- https://github.com/ibus/ibus/issues/2789

When this crash happens, we don’t get a disconnect event, so Zed keeps
sending events to the IM server and waits for a response. It works on
subsequent starts because IM server doesn't exist now and we default to
non-XIM path.

This PR detects the crash via X11 events and falls back to the non-XIM
path so typing keeps working. We still need to investigate whether the
root cause is in `xim-rs` or `ibus-x11`.

Release Notes:

- Fixed an issue on X11 where keyboard input sometimes didn’t work on
first start.