UITableView tableFooterView shows at the top of the UITableView - wrong

Question

I have created a very simple test case to reproduce this issue.

I am trying to set a footer view programmatically to a tableview. Please note that I am referring to the

Answer 1

set grouped style for table and set height for header CGFloat.leastNonzeroMagnitude

tableView.style = .grouped

func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
    return CGFloat.leastNonzeroMagnitude
}