Function c2rust_refactor::collapse::restore_deleted_nodes

pub fn restore_deleted_nodes(
    krate: &mut Crate, 
    node_map: &mut NodeMap, 
    counter: &NodeIdCounter, 
    deleted: Vec<DeletedNode>
)

Restore deleted nodes into the collapsed krate.

The DeletedNodes in deleted should use expanded IDs, as returned from collect_deleted_nodes.