If you attempt to load a git diff which includes a non utf-8 file,
previously
(1) the entire contents of the file was logged as ordinals and
(2) a second spurious error was logged
```
2025-04-07T16:21:28.392845-04:00 [ERROR] FromUtf8Error { bytes: [0, 1, 0, 0, 0, 19, 1, 0, 0, 4, 0, 48, 68, 83, 73, 71, 0, 0, 0, 1, 0, 2, 241, 204, 0, 0, 0, 8, 71, 68, 69, 70, 164, 172, 164, ...
[2025-04-07T17:12:16-04:00 ERROR git::repository] Error loading index text: invalid utf-8 sequence of 1 bytes from index 35
```
Having 1MB binary file in a commit would generate ~3MB-5MB of log
output.
Discovered while investigating
https://github.com/zed-industries/zed/issues/28241
Release Notes:
- git: Fixed an issue where non-UTF8 files in a git diff would generate
log spam.
9e504a1ed9