Highlight Zed log file by default if log language is available (#38091)

This ensures that we highlight the log file with the log extension
should the extension be installed.

If it is not installed, we just fallback to the default of no
highlighting, but also log no errors.

Release Notes:

- N/A
53c5db4495Finn Evers committed on 9/12/2025, 9:39:15 PM· committed by GitHubparentcd2ecbb
1 file changedLine totals unavailable