* Enhance error handling
* Use last persisted product status to show a right publish button label and notices
* Use last persisted product status to show a right preview button label and notices
* Use last persisted product status to show a right save draft button label and notices
* Uses the last persisted product to better compare it with the most recently updated product so the buttons can behave correctly
* Add changelog file
* Fix getProductErrorMessage unit test
* Fix notice message when create / update the product
* Get product id from within each button hook
Maikel David Pérez Gómez