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

Reproduce the issue on Windows Terminal 1.24 with GitHub Copilot CLI 1.0.72-0 by selecting the current-project path in the lower-left and copying it. Trace the CLI terminal UI's path-selection and copy handling; done when the clipboard contains the path rather than same-width whitespace.

Written by the indexing model from the issue text.