PIM-2287: Add method to count products
PIM-2287: Add hydrator to edit handler
PIM-2287: Set getGridQB method as deprecated
PIM-2287: Fix getGridQB deprecated method
PIM-2287: Remove useless method in product repository
PIM-2287: Clean Hydrator injection in edit handler
PIM-2287: Inject product repository in mass edit controller
PIM-2287: Change method to count products