iChaaangeee map js changes to fix the classic style loading

fix.js

//Contact form map start
    var map_id = $('#map_canvas');
    if (map_id.length > 0) {
        var $lat = map_id.data('lat'),
            $lng = map_id.data('lng'),
            $zoom = map_id.data('zoom'),
            $maptitle = map_id.data('maptitle'),
            $mapaddress = map_id.data('mapaddress'),
            mymap = L.map('map_canvas').setView([$lat, $lng], $zoom);

        //L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token={accessToken}', {
        L.tileLayer('https://api.mapbox.com/styles/v1/{id}/tiles/{z}/{x}/{y}?access_token={accessToken}', {
            //attribution: 'Map',
            attribution: '© <a href="https://www.mapbox.com/about/maps/">Mapbox</a> © <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a> <strong><a href="https://www.mapbox.com/map-feedback/" target="_blank">Improve this map</a></strong>',
            maxZoom: 18,
            //id: 'mapbox.streets',
            id: 'mapbox/streets-v11',
            scrollWheelZoom: false,
            accessToken: 'pk.eyJ1Ijoic2hha2lsYWhtbWVlZCIsImEiOiJjamk4anF6NDgwMGd5M3BwM2c4eHU5dmIzIn0.yBLGUAB8kV1I1yGGonxzzg'
        }).addTo(mymap);

        var marker = L.marker([$lat, $lng]).addTo(mymap);
        marker.bindPopup('<b>' + $maptitle + '</b><br>' + $mapaddress).openPopup();
    }//Contact form map end