Improve context descendant sorting #2579
Merged
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Description
Topologically sort replies, moving self-replies to top of list. The topo sort is decent at producing runs of reply chains in the output, although it's probably possible to improve on that.
Fixes #2479
Checklist
go fmt ./...
golangci-lint run
. (for some reason this is incredibly slow on my Mac, like 10 minutes at 800% CPU and it hasn't finished)