[racket] OS X and correct handling of events

OS X allows programs to add a status bar item to the status bar.
The attached program constructs such an item, attaches a small
menu and adds it to the system bar.  Finally sleep/yield is called.

Here is what happens:
   - the status item appears in the status bar
   - I click the status item
   - the time given in the sleep/yield passes
   - the menu appears below the status item.

The desired action is that the menu appears as soon
as the status item is clicked.

How can I get the OS X events to work together with the
event handling of DrRacket?

--
Jens Axel Søgaard
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