cli: prioritise preferred seeds in sync status — heartwood

Sort preferred seeds from config above other nodes in rad sync status, after the local node while still respecting the chosen --sort-by strategy.

     ]);
     table.divider();
     sort_seeds_by(local_nid, &mut seeds, &aliases, sort_by);
     let preferred: Vec<NodeId> = profile
         .config
         .preferred_seeds
         .iter()
         .map(|p| p.id)
         .collect();
     sort_seeds_by(local_nid, &mut seeds, &aliases, &preferred, sort_by);
     let seeds = seeds.into_iter().flat_map(|seed| {
         let (status, head, time) = match seed.sync {

     None
 }
 fn sort_seeds_by(local: NodeId, seeds: &mut [Seed], aliases: &impl AliasStore, sort_by: &SortBy) {
 fn sort_seeds_by(
     local: NodeId,
     seeds: &mut [Seed],
     aliases: &impl AliasStore,
     preferred: &[NodeId],
     sort_by: &SortBy,
 ) {
     let compare = |a: &Seed, b: &Seed| match sort_by {
         SortBy::Nid => a.nid.cmp(&b.nid),
         SortBy::Alias => {

         },
     };
     // Always show our local node first.
     // Always show our local node first, then preferred seeds, then the rest.
     seeds.sort_by(|a, b| {
         if a.nid == local {
             Ordering::Less
         } else if b.nid == local {
             Ordering::Greater
         } else {
             compare(a, b)
             match (preferred.contains(&a.nid), preferred.contains(&b.nid)) {
                 (true, false) => Ordering::Less,
                 (false, true) => Ordering::Greater,
                 _ => compare(a, b),
             }
         }
     });
 }