_string
_short_string
As `_string` can't fail anymore (since 3434412), there are no real benefits to use the short variant in most cases.
3434412
When the `FilteringOptions::SortByScore` flag is set, filtered indices are sorted by match score in descending order, meaning the most relevant results should appear first. The default behavior of FilteringProxyModel is unchanged.
Model::column_name()