Use a batch action to update order items SKU on purchased entity SKU update via UI

We need to consider if the queue worker should be kept after the batch operation introduction.
We also need tests for this feature.

I guess we can remove the queue worker. If a purchasable entity is updated programmatically, related order items can be too.

Batch op still needs to be implemented for purchasable entity deletion.

The MR should bre ready ; it replaces queue workers with batch op to set/update order items SKU on purcahasable entity update/deletion through the UI.

Automatically closed - issue fixed for 2 weeks with no activity.