Fix group by access error on stock.picking.in/out in multi company by ensuring the good ir rules are applied, this is done by calling read_group using stock.picking intead of stock.picking.in/out.
[MERGE] [FIX] stock: fix error when executing a read_group on stock.picking.in and out, courtesy of Yannick Vaucher (Camptocamp)
[FIX] stock: pass the geven limit attribute in read_group call, courtesy of Guewen Baconnier