[FIX] stock: default warehouse in replenish wizard

Before this commit, passing the `default_warehouse_id` in the context
has no effect with the product replenish wizard because the warehouse id
was overrided in the `default_get`.

addons/stock/wizard/product_replenish.py

@@ -49,7 +49,7 @@ class ProductReplenish(models.TransientModel):
             res['product_uom_id'] = product_tmpl_id.uom_id.id
         if 'company_id' in fields:
             res['company_id'] = company.id
-        if 'warehouse_id' in fields:
+        if 'warehouse_id' in fields and 'warehouse_id' not in res:
             warehouse = self.env['stock.warehouse'].search([('company_id', '=', company.id)], limit=1)
             res['warehouse_id'] = warehouse.id
         if 'date_planned' in fields: