[FIX] delivery: reactivate update soline on shipper

install delivery
Create a SO with a shipper
Validate it
validate the delivery

Before this commit it was:
- impossible to do the setup for the delivery cost on the SO to get updated with the delivery validation
- the delivery cost on the SO did not update

This was because the stock API changed a bit a some functions were not here anymore

OPW 786500

addons/delivery/models/stock_picking.py

@@ -106,10 +106,10 @@ class StockPicking(models.Model):
             picking.weight = sum(move.weight for move in picking.move_lines if move.state != 'cancel')
 
     @api.multi
-    def do_transfer(self):
+    def action_done(self):
         # TDE FIXME: should work in batch
         self.ensure_one()
-        res = super(StockPicking, self).do_transfer()
+        res = super(StockPicking, self).action_done()
 
         if self.carrier_id and self.carrier_id.integration_level == 'rate_and_ship':
             self.send_to_shipper()

addons/stock/models/stock_picking.py

@@ -635,7 +635,12 @@ class Picking(models.Model):
         self.write({'date_done': fields.Datetime.now()})
         return True
 
-    do_transfer = action_done #TODO:replace later
+    # Backward compatibility
+    # Problem with fixed reference to a function:
+    # it doesn't allow for overriding action_done() through do_transfer
+    # get rid of me in master (and make me private ?)
+    def do_transfer(self):
+        return self.action_done()
 
     def _check_move_lines_map_quant_package(self, package):
         """ This method checks that all product of the package (quant) are well present in the move_line_ids of the picking. """