Fix favorite menu on OSX

As the select event is not managed by the mac menu, it must be done using a
timeout.

issue2303
review9711002
Prefill export window with current view fields

issue4123
review8511003
Set new button in focus chain of one2many

New button must be added to focus chain to allow keyboard only creation when
there is no existing record on form view.

issue4145
review13501002
Better export window

- Add DnD on export window
- Allow to overide predefined export

review578002