Mac OS X text input: stop sending the FL_PASTE event after character palette events;
send instead FL_KEYBOARD as for regular text input. Fl::event_key() will return 0 during
palette events.

git-svn-id: http://seriss.com/public/fltk/fltk/branches/branch-1.3@9927 ea41ed52-d2ee-0310-a9c1-e6b18d33e121