terminal: Fix `test_terminal_eof` test failing on fish shell (#47410)

It turns out Alacritty sends `AlacTermEvent::ColorRequest` when using
the fish shell. That path relies on `cx.theme`, so this change is needed
for it to pass.

Co-authored-by: Lukas <lukas@zed.dev>

Release Notes:

- N/A
398da336f6Smit Barmase committed on 1/22/2026, 6:27:46 PM· committed by GitHubparent13e130b
1 file changedLine totals unavailable