New window instances do not gain foreground rights

[lhecker]

Windows Terminal version

1.23.3471.0

Windows build number

No response

Other Software

No response

Steps to reproduce

• Set "New instance behavior" to "Create a new window"
• Launch from the start menu (= first window, first tab)
• Explicitly minimize
• Launch from the start menu again

Expected Behavior

New window is in the foreground.

Actual Behavior

New window fails to gain foreground rights.

[zadjii-msft]

Can we AllowSetForeground? I suppose we don't know the PID of the instance holding the mutex, do we. hmm....

[lhecker]

Oh, I didn't see your message! And yeah, I fixed it exactly like that. We can get the PID with GetWindowThreadProcessId.