SAGA: Make original event available in #success, #failed event, for further reference

[oklemenz2]

[oklemenz2]

More improvements:

• Introduce a #done event
• Propagate the referenceEntity/referenceEntityKey
• Shall #succeeded, #failed, #done processed immediately in "test" case, or manual via processQueue
• Create #succeeded, etc. events, without registration? So that events are persisted in event queue

[soccermax]

• Introduce a #done event
  --> that's a easy win we can do this. Would you publish done only if succeeded /failed is not registered or either way?

• Propagate the referenceEntity/referenceEntityKey
  --> we need to find a general way for this, same for data

• Shall #succeeded, #failed, #done processed immediately in "test" case, or manual via processQueue
  --> I would keep it consistent; meaning you need to start it via processQueue or what do you think?

• Create #succeeded, etc. events, without registration? So that events are persisted in event queue
  --> I don't understand what you mean?

[oklemenz2]

• Introduce a #done event
  --> that's a easy win we can do this. Would you publish done only if succeeded /failed is not registered or either way?
  ---> Just thought in addition, so that you can cover both with one handler.

• Propagate the referenceEntity/referenceEntityKey
  --> we need to find a general way for this, same for data
  ---> Solution from other issue should work.

• Shall #succeeded, #failed, #done processed immediately in "test" case, or manual via processQueue
  --> I would keep it consistent; meaning you need to start it via processQueue or what do you think?
  ---> Yes, think so as well. Did use it like this already...

• Create #succeeded, etc. events, without registration? So that events are persisted in event queue
  --> I don't understand what you mean?
  ---> Currently succeeded event is only created, when you have a handler? But does it. make sense, to create the succeeded event without handler? Just thought to have a event to read the result from, but maybe there are better ways..