gpui: Activate window on Linux (#7617)

Release Notes:
- N/A

Hello everyone,
it's me again! This is another todo!(linux) thing in gpui.

Best Regards,
Christian Bergschneider
862a9512b5Christian Bergschneider committed on 2/9/2024, 6:15:00 PM· committed by GitHubparent5175c89
1 file changedLine totals unavailable