Function build_scalar_quantity_ui 

pub fn build_scalar_quantity_ui(
    ui: &mut Ui,
    name: &str,
    enabled: &mut bool,
    colormap: &mut String,
    range_min: &mut f32,
    range_max: &mut f32,
    available_colormaps: &[&str],
) -> bool

Builds UI for a scalar quantity.