History of Picker::reorder 2 changes

In crates/jet/src/swarm.rs, lines 248–265 on 069e16fba3bd50f76b63edc58b2edc7b876f018669946b92a7028687dc18a21e. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 248,265:crates/jet/src/swarm.rs.