Event Manager: Process mouse button events asynchronously
Event Manager: Process mouse button events asynchronously

If we process mouse button events synchronously, they will be handled
prior to any events that are a direct result of that button being
clicked. Normally this is not a problem, but if the result of the
click is to cause the active application to change, we are in danger
of processing the event with the script from the inactive app.

GNOME/orca,GNOME/orca,GNOME/orca,GNOME/orca