Minor fixes, Set default value for product status

- Fixes two redirects on the Store and Product delete form
- The fractionDigits field was using a non-existing method for its default value changed it to getFractionDigits()
- Sets a default value for the status checkbox on the product form
Merge pull request #58 from Jbekker/minor-cleanup

Minor fixes, Set default value for product status
Issue: #2329849 Set field weights on product type entities