[FIX] stock{,_picking_batch}: correct public method return value

addons/stock/wizard/stock_immediate_transfer.py

@@ -37,4 +37,4 @@ class StockImmediateTransfer(models.TransientModel):
             pick_to_do.action_done()
         if pick_to_backorder:
             return pick_to_backorder.action_generate_backorder_wizard()
-        return True
+        return False

addons/stock_picking_batch/wizard/stock_immediate_transfer.py

@@ -11,10 +11,11 @@ class StockImmediateTransfer(models.TransientModel):
     def process(self):
         backorder_wizard_dict = super(StockImmediateTransfer, self).process()
         # If the immediate transfer wizard process all our picking but with some back order maybe needed we want to add the backorder already passed to the wizard.
-        if backorder_wizard_dict is not None:
+        if backorder_wizard_dict:
             backorder_wizard = self.env['stock.backorder.confirmation'].browse(backorder_wizard_dict.get('res_id', False))
             backorder_wizard.write({'pick_ids': [(4, p.id) for p in self.pick_to_backorder_ids]})
             return backorder_wizard_dict
         # If there is no backorder returned by the immediate transfer basic function we still wanted to process those manually given
         elif self.pick_to_backorder_ids:
             return self.pick_to_backorder_ids.action_generate_backorder_wizard()
+        return False