Function build_density_graph

pub fn build_density_graph<'a>(
    ui: &'a Ui,
    time_ranges_ui: &'a TimeRangesUi,
    row_rect: Rect,
    db: &EntityDb,
    item: &TimePanelItem,
    timeline: &TimelineName,
    config: DensityGraphBuilderConfig,
) -> DensityGraphBuilder<'a>