TableView does not call GetHeightForRow
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I have a class which inherits from `UITableViewSource` and overrides GetHeightForRow:

    public override float GetHeightForRow(UITableView tableView, NSIndexPath indexPath)

However, at some point in time the OS stopped calling this method, so all my cells have the same height now. The rest of the table and table source is working fine. This is very strange, and I have tried all sorts of things, but it just does not call the method. The other overridden methods of the table source are called normally.

Is there some sort of a setting which makes the `UITableView` stop calling `GetHeightForRow`?

