Split dropdown menu depending on the screen height

The menu is split because there are no scrolling if it is too long. But instead of using the width of the screen (via screen-xs-max), we should look at the height of the screen.

assigned to @ced

added sao type::behavior + 1 deleted label

added 1 deleted label and removed 1 deleted label

review263371002 updated at https://codereview.tryton.org/263371002/#ps271311002

New changeset 42fb1b867262 by Cédric Krier in branch 'default':
Split dropdown menu of tab using the screen height
https://hg.tryton.org/sao/rev/42fb1b867262

added 1 deleted label and removed 1 deleted label

closed

New changeset 87dc51174d32 by Cédric Krier in branch 'default':
Split dropdown menu of tab using the screen height
https://hg.tryton.org/tryton-env/rev/87dc51174d32