Assign base text language earlier to fix missing highlighting in deletion hunks (#24413)

Release Notes:

- Fixed deletion diff hunks not being syntax highlighted in some cases

Co-authored-by: Max <max@zed.dev>
59bba2a98cCole Miller committed on 2/7/2025, 12:14:47 AM· committed by GitHubparent5315d38
2 files changedLine totals unavailable