[FIX] list view: serialize concurrent calls when loading files and ensure consistency of variables (prevent selection of items in list view lost, opw #599969)
[FIX] list view: serialize concurrent calls when loading files and ensure consistency of variables (prevent selection of items in list view lost, opw #599969)

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