Copying path of current project copies whitespace (of correct legnth)

### Describe the bug

If you select the path of current project in left down corner, and do rightclick to copy (or ctrl+c) it copies correct width amount of spaces into clipboard instead of the path.

### Affected version

GitHub Copilot CLI 1.0.72-0

### Steps to reproduce the behavior

1. Try to copy this
2.

copies empty space

### Expected behavior

Copies the path

### Additional context

- Windows terminal 1.24

在 Windows Terminal 1.24 中使用 GitHub Copilot CLI 1.0.72-0，選取左下方的目前專案路徑並加以複製，以重現此問題。追蹤 CLI 終端 UI 的路徑選取與複製處理；當剪貼簿包含路徑而不是相同寬度的空白時即完成。

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