fn filter_dict<T>(
    array: &DictionaryArray<T>,
    predicate: &FilterPredicate,
) -> DictionaryArray<T>where
    T: ArrowDictionaryKeyType,
    T::Native: Num,Expand description
filter implementation for dictionaries
fn filter_dict<T>(
    array: &DictionaryArray<T>,
    predicate: &FilterPredicate,
) -> DictionaryArray<T>where
    T: ArrowDictionaryKeyType,
    T::Native: Num,filter implementation for dictionaries