Comment 20 for bug 1447096

@Rayan
thanks for feedback.

--- I don't have any issue with launching Notes with the App.open( )
Sure you do not have ;-)
I found a hack to avoid this problem (see bug 1445667)

--- to get around the slowdown for now ...
... just edit your script in the IDE and save it before running it from the command line in a parallel Terminal session.

--- if you need more information
I do not need any more information, since the cause is rather clear (that is why these extra debugs are shown).
But I do not have any idea in the moment, how to tackle the problem, since it is somewhere deep down in the area, where Java steps down to the native layers of OS X to issue the click action.