Function rewrite_recursive_unnests_bottom_up 

pub(crate) fn rewrite_recursive_unnests_bottom_up(
    input: &LogicalPlan,
    unnest_placeholder_columns: &mut IndexMap<Column, Option<Vec<ColumnUnnestList>>>,
    inner_projection_exprs: &mut Vec<Expr>,
    original_exprs: &[Expr],
) -> Result<Vec<Expr>>