Rework chat header actions and GitActions styling

- Remove branch badge and terminal toggle from ChatView header
- Keep GitActionsControl in the header action area
- Adjust GitActionsControl button styles to emphasize completed action state

Co-authored-by: codex <codex@users.noreply.github.com>
b7af14ad3fJulius Marminge committed on 2/12/2026, 10:44:51 PMparent8f6cd24
2 files changedLine totals unavailable