bedrock: Fix Claude 3.5 Haiku support (#30560)

This PR corrects a mistake introduced in
https://github.com/zed-industries/zed/pull/28523.

https://github.com/zed-industries/zed/pull/28523#issuecomment-2872369707

Release Notes:

- N/A
a1d8e50ec1Marshall Bowers committed on 5/12/2025, 12:45:35 PM· committed by GitHubparent24bc9fd
1 file changedLine totals unavailable