Wayland client: Fix crash when windows are shown/hidden during drag
Fixes: QTBUG-87624 Pick-to: 6.2 5.15 Change-Id: I1b9443df091878abcd4fbe9c55927cb819aebd59 Reviewed-by: David Edmundson davidedmundson@kde.org (cherry picked from commit c64c5d38)
Fixes: QTBUG-87624 Pick-to: 6.2 5.15 Change-Id: I1b9443df091878abcd4fbe9c55927cb819aebd59 Reviewed-by: David Edmundson davidedmundson@kde.org (cherry picked from commit c64c5d38)