[Bug 55870] New: winhelp: Popups appear on wrong screen when main window got moved

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=55870

Bug ID: 55870
           Summary: winhelp: Popups appear on wrong screen when main
                    window got moved
           Product: Wine
           Version: 8.19
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Split from bug 23008.

Example at https://bugs.winehq.org/attachment.cgi?id=28516

Steps to reproduce
- Open winhelp
- Open example file
- Move main window to different screen
- Click "What's important in this window?"
- Click Find Modem button

The popup opens on the other screen.