Work-package pipeline improvements

The current pipeline stage display order is alphabetical. We should show pipeline stages in the order they happen, ie:

• Received
• Authorized
• Refined
• Report Built
• Guarantee Built
• Distributed

Failure can happen at any point, probably makes sense to just show "Failed" at the end. That said it would maybe be nice to bin failures by pipeline stage... this is not included in the Failed event but can be inferred by the previous events for the work-package.

Note that the first four stages happen on all three guarantors for the core (or at least two, we allow one to fail). For the summaries I would suggest we just include the primary guarantor (maybe this is what is happening already?) and possibly add some stages to cover the secondary guarantors. Maybe "Shared" for successfully sent to at least one secondary and "Signature Received" for got at least one secondary signature? These really happen in parallel but we could stick "Shared" after "Authorized" and "Signature Received" after "Report Built".

Finally, we should add the on-chain stages. At least "Reported" (guarantee included in a block) and "Available" (sufficient assurances received). "Accumulated" would be great although it's not so straight-forward to determine this. "Finalized" would also be nice but would only make sense if we had "Accumulated".

No files, tests, or entry points are named. Start by locating the pipeline stage display and the work-package events, then trace how guarantor and on-chain stages are represented. Done should include a defined ordering for existing stages and an agreed scope for secondary-guarantor and on-chain stages.