Function compute_selection_box 

pub fn compute_selection_box(
    graph: &Graph,
    lookups: &NodeGraphLookups,
    view_state: &NodeGraphViewState,
    interaction: &NodeGraphInteractionState,
    rect: CanvasRect,
    options: SelectionBoxOptions,
) -> SelectionBoxResult

Computes the ordered selection state for a canvas-space marquee selection box.