git: Fix errors not showing in the toast notification (#26303)

Release Notes:

- Resolved an issue where error messages from Git were not being
displayed in toast notifications.
<img width="1702" alt="Screenshot 2025-03-08 at 1 11 30 AM"
src="https://github.com/user-attachments/assets/a46517db-4e64-4c5e-a64e-96e820ca9aec"
/>