Copilot CLI changes terminal title to "Windows PowerShell" when not launched in Windows Terminal

[xj-ms]

Describe the bug

When launched in a terminal that is not in Windows Terminal, Copilot CLI first set the terminal title to "GitHub Copilot", but it always automatically becomes "Windows PowerShell" after a second or two

Affected version

1.0.79-5

Steps to reproduce the behavior

1. Open a terminal in a host that's not Windows terminal, like cmd in Windows native conhost or Git Bash in mintty
2. Launch Copilot CLI
3. Observe the title change

Expected behavior

The title should stay "GitHub Copilot" and not change to "Windows PowerShell"

Additional context

No response