When I press Tab for completion, the cursor focus incorrectly jumps to another location

### Describe the bug

You can see that after I press the Tab key, the focus moves to the status bar at the bottom.

### Affected version

GitHub Copilot CLI 1.0.27.

### Steps to reproduce the behavior

_No response_

### Expected behavior

_No response_

### Additional context

- Mac M4 Tahoe 26.3.1
- zsh

Start by reproducing the focus change in GitHub Copilot CLI 1.0.27 on macOS with zsh, using the reported Tab completion flow. Observe whether focus moves to the bottom status bar; done means pressing Tab for completion leaves focus in the expected completion or input location.

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