morekomodo: update context menu commands on popup showing
http://bugs.activestate.com/show_bug.cgi?id=99998

This prevents showing the wrong state when right clicking an inactive tab
(because current_view_changed can be asynchronous)

(integrated from komodo (trunk) change 81311 by marky)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13394 b87d16e7-d29f-4ee1-b5ec-817d645d335f