onActivate and onDeactivate should be implemented at the PromotionItemAction level

[mschipperheyn]

Is your feature request related to a problem? Please describe.
In order to process promotion that impact at the orderLine level, the PromotionItemAction has your back. But the side effects are still Order based. Worse, the state is not passed along requiring you to effectively rerun your condition to identify the orderLines you want to update

Relates to #3254

Describe the solution you'd like
implement onActivate and onDeactivate at the PromotionItemAction level, passing the OrderLine in question

Describe alternatives you've considered
rerunning the condition logic

Additional context