Highlight file finder entries according to their git status (#31469)

Configure this with the
```json5
"file_finder": {
  "git_status": true
}
```
settings value.

Before:
<img width="864" alt="before"
src="https://github.com/user-attachments/assets/5943e30f-1105-445e-9398-ea6dd35877c8"
/>

After:
<img width="864" alt="image"
src="https://github.com/user-attachments/assets/56b2fad6-8cdc-4f28-b238-920745231b1f"
/>

After with search matches:
<img width="577" alt="image"
src="https://github.com/user-attachments/assets/8c414575-7daf-43a8-89c2-98137d52b7a0"
/>

Release Notes:

- Start highlighting file finder entries according to their git status

assets/settings/default.json

@@ -954,7 +954,9 @@
     //    "skip_focus_for_active_in_search": false
     //
     // Default: true
-    "skip_focus_for_active_in_search": true
+    "skip_focus_for_active_in_search": true,
+    // Whether to show the git status in the file finder.
+    "git_status": true
   },
   // Whether or not to remove any trailing whitespace from lines of a buffer
   // before saving it.