duplicate chunk with different postage stamps

[acud]

Same chunks stamped with different postage stamps should result in storing nodes picking the stamp with the higher value and storing it with the chunk. When the chunk was already stored, the stamp should be overridden.

connect to #1051

[Eknir]

I believe this is answered in #1440 . Could you validate this and confirm the answer here (and then perhaps close it?)

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 5 days.

[github-actions]

This issue was closed because it has been stalled for 5 days with no activity.