[FIX] assertion errors in search view when selecting all of a search input's content
[FIX] assertion errors in search view when selecting all of a search input's content

Force normalization of the input's root node, Firefox tends to spawn
multiple text node children then create selection ranges over all of
them and worse.


akretion/openerp-web,akretion/openerp-web,akretion/openerp-web