[Linux] When exiting the app, the dialog gets put behind the main window

Operating System Info

Other

Other OS

Fedora Linux 43 KDE

OBS Studio Version

Other

OBS Studio Version (Other)

32.0.4 from Fedora RPMs with a backport (https://github.com/obsproject/obs-studio/pull/12951)

OBS Studio Log URL

N/A

OBS Studio Crash Log URL

N/A

Expected Behavior

Dialog should be the focused window.

Current Behavior

When right-click -> Exit in the OBS system tray icon while recording, this dialog appears:

However, it is put behind the main window, requiring to click the taskbar to see the other window of OBS (which is the dialog as presented in the screenshot).

It does not happen on Windows.

Steps to Reproduce

Explained above.

Anything else we should know?

I think this can be solved with a window hint/flag to make it stay on top (so it always gets the most attention and overrides any other apps' focus).

I found this, may be of help (penultimate option at the right-bottom):

https://doc.qt.io/qt-6/qtwidgets-widgets-windowflags-example.html

Start at the system-tray right-click Exit path and the code that creates the exit dialog. Read the Qt window-flags example linked in the issue, then reproduce the behavior on Fedora KDE; done means the dialog is focused and visible above the main window when exiting while recording.