[FIX] product: Rename invalid context variable

The context uses an invalid name, which means it'll never work correctly.

fixes #15028

Bug coming from the module migration

addons/product/models/product.py

@@ -548,7 +548,7 @@ class ProductProduct(models.Model):
             PriceHistory.create({
                 'product_id': product.id,
                 'cost': value,
-                'company_id': self._context.get('force_compay', self.env.user.company_id.id),
+                'company_id': self._context.get('force_company', self.env.user.company_id.id),
             })
 
     @api.multi