Select2 issue in which selected value is not showing properly when the Select is re-opened about select2 HOT 1 CLOSED

<script>
    $('.selectsearch').select2({
        // theme: 'bootstrap5',
        dropdownParent: $('.filter-form'),
        placeholder: 'Select an option',
        templateResult: function (item) {
            if (item.loading) {
                return item.text;
            }
            var term = query.term || '';
            var $result = markMatch(item.text, term);
            return $result;
        },
        language: {
            searching: function (params) {
                query = params;
                return 'Searching...';
            }
        },
        cache: true,
    });
</script>