History of Picker::pick 2 changes

In crates/jet/src/swarm.rs, lines 268–306 on v0.5.3. 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 268,306:crates/jet/src/swarm.rs.