PIM-3343: use the product updater when mass editing common attributes

todo:
 - [x] setter for file
 - [x] setter for image
 - [x] changelog

| Q                    | A
| -------------------- | ---
| Bug fix?             | N
| New feature?         | N
| BC breaks?           | N
| CI currently passes? | Y
| Tests pass?          | Y
| Scenarios pass?      | Y
| Checkstyle issues?*  | N
| PMD issues?**        | N
| Changelog updated?   | Y
| Fixed tickets        | PIM-3343
| DB schema updated?   | N
| Migration script?    | -
| Doc PR               | -
@nidup, don't want to add a method I can avoid at the moment